22897156 has 24 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 11115552.

The previous prime is 22897111. The next prime is 22897157. The reversal of 22897156 is 65179822.

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 not an unprimeable number, because it can be changed into a prime (22897157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40830 + ... + 41386.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^22897156 is an apocalyptic number.

It is an amenable number.

22897156 is a deficient number, since it is larger than the sum of its proper divisors (18350204).

22897156 is a wasteful number, since it uses less digits than its factorization.

22897156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 841 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 22897156 is about 4785.0972821877. The cubic root of 22897156 is about 283.9621883139.

The spelling of 22897156 in words is "twenty-two million, eight hundred ninety-seven thousand, one hundred fifty-six".