22557892 has 12 divisors (see below), whose sum is σ = 45115840. Its totient is φ = 9667656.

The previous prime is 22557889. The next prime is 22557961. The reversal of 22557892 is 29875522.

22557892 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402792 + ... + 402847.

Almost surely, 2^22557892 is an apocalyptic number.

It is an amenable number.

22557892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22557892 is a wasteful number, since it uses less digits than its factorization.

22557892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805650 (or 805648 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 22557892 is about 4749.5149226000. The cubic root of 22557892 is about 282.5527277777.

The spelling of 22557892 in words is "twenty-two million, five hundred fifty-seven thousand, eight hundred ninety-two".