The number 24422
24422 is a composite number with 4 divisors. Its prime factorisation is 2 × 12211. Divisors (4): 1, 2, 12211, 24422.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24422: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 12211, the product of two primes.
- 2
24422 is composite. Its prime factorisation is
- 3
The divisors add up to 36636; without 24422 itself that is 12214, so 24422 is deficient (12214 is less than 24422). Euler's totient φ(24422) = 12210 numbers up to 24422 share no factor with it.
- 4
The digits of 24422 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 113 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24422 = 2 \times 12211 \]
24422 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 36636 |
| Euler totient φ(n) | 12210 |
| Square | 596434084 |
| Cube | 14566113199448 |
| Square root | 156.275398 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 113 |
| Scientific notation | 2.4422 × |
24422 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and twenty-two |
| Binary (base 2) | 101111101100110 |
| Octal (base 8) | 57546 |
| Hexadecimal (base 16) | 5F66 |
| Base 3 | 1020111112 |
| As time | 24422 seconds = 6 h 47 min 2 s |
Is 24422 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24422 ÷ 2 = 12211) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24422 a prime number?
No. 24422 = 2 × 12211, so it is divisible by 2.
What are the factors of 24422?
1, 2, 12211, 24422.
What is 24422 in binary?
101111101100110 (hexadecimal 5F66, octal 57546).
What is the square root of 24422?
About 156.2754.
Is 24422 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 24422?
24422 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 12211, the product of two primes.