Factors of 22

The factors of 22 are 1, 2, 11, 22. It has 4 factors.

Factors of 22

Pick any whole number from 1 to 10,000.

22 = 2 \times 11

How to work it out

1
A factor of 22 is a whole number that divides it with nothing left over. You only need to test the numbers up to √22 ≈ 4.69; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 4 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$22 = 2 \times 11$
4
Add all the factors: 1 + 2 + 11 + 22 = 36. Without 22 itself that is 14, so 22 is a deficient number.

LaTeX source of the formulas on this page

\[ 22 = 2 \times 11 \]

Factor	Pairs with	Product
1	22	1 × 22 = 22
2	11	2 × 11 = 22

What are the factors of 22?

The factors of 22 are 1, 2, 11, 22. It has 4 factors.

What are the prime factors of 22?

2, 11. As a product: 2 × 11.

How many factors does 22 have?

22 has 4 factors (2 factor pairs).

What is the sum of the factors of 22?

36.

Is 22 a prime number?

No. It is divisible by 2, so 22 = 2 × 11.