The number 4722
4722 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 787. Divisors (8): 1, 2, 3, 6, 787, 1574, 2361, 4722.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
4722 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
4722 is composite. Its prime factorisation is
- 3
The divisors add up to 9456; without 4722 itself that is 4734, so 4722 is abundant (4734 is more than 4722). Euler's totient φ(4722) = 1572 numbers up to 4722 share no factor with it.
- 4
The digits of 4722 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 4722 = 2 \times 3 \times 787 \]
4722 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 9456 |
| Euler totient φ(n) | 1572 |
| Square | 22297284 |
| Cube | 105287775048 |
| Square root | 68.716810 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 59 |
| Scientific notation | 4.722 × |
4722 in other forms
| Form | Value |
|---|---|
| In words | four thousand seven hundred and twenty-two |
| Binary (base 2) | 1001001110010 |
| Octal (base 8) | 11162 |
| Hexadecimal (base 16) | 1272 |
| Base 3 | 20110220 |
| As time | 4722 seconds = 1 h 18 min 42 s |
Is 4722 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (4722 ÷ 2 = 2361) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (4722 ÷ 3 = 1574) | 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 | Yes (4722 ÷ 6 = 787) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 4722 a prime number?
No. 4722 = 2 × 3 × 787, so it is divisible by 2.
What are the factors of 4722?
1, 2, 3, 6, 787, 1574, 2361, 4722.
What is 4722 in binary?
1001001110010 (hexadecimal 1272, octal 11162).
What is the square root of 4722?
About 68.7168.
Is 4722 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 4722?
It is a composite number with 8 divisors.