22856992 has 24 divisors (see below), whose sum is σ = 45852156. Its totient is φ = 11212032.

The previous prime is 22856989. The next prime is 22857053. The reversal of 22856992 is 29965822.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 992016 = 4676^2 + 996^2 .

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, 5043 + ... + 8434.

Almost surely, 2^22856992 is an apocalyptic number.

It is an amenable number.

22856992 is an abundant number, since it is smaller than the sum of its proper divisors (22995164).

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

22856992 is a wasteful number, since it uses less digits than its factorization.

22856992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540 (or 13532 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 22856992 is about 4780.8986602939. The cubic root of 22856992 is about 283.7960580400.

The spelling of 22856992 in words is "twenty-two million, eight hundred fifty-six thousand, nine hundred ninety-two".