22641268 has 18 divisors (see below), whose sum is σ = 42905814. Its totient is φ = 10449504.

The previous prime is 22641259. The next prime is 22641277. The reversal of 22641268 is 86214622.

It is an interprime number because it is at equal distance from previous prime (22641259) and next prime (22641277).

It can be written as a sum of positive squares in 3 ways, for example, as 3175524 + 19465744 = 1782^2 + 4412^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16071 + ... + 17422.

Almost surely, 2^22641268 is an apocalyptic number.

It is an amenable number.

22641268 is a deficient number, since it is larger than the sum of its proper divisors (20264546).

22641268 is a wasteful number, since it uses less digits than its factorization.

22641268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33523 (or 33508 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 22641268 is about 4758.2841445210. The cubic root of 22641268 is about 282.9004132112.

The spelling of 22641268 in words is "twenty-two million, six hundred forty-one thousand, two hundred sixty-eight".