22875156 has 48 divisors (see below), whose sum is σ = 61891200. Its totient is φ = 7292736.

The previous prime is 22875137. The next prime is 22875157. The reversal of 22875156 is 65157822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22875156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22875157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (1289400).

Almost surely, 2^22875156 is an apocalyptic number.

It is an amenable number.

22875156 is an abundant number, since it is smaller than the sum of its proper divisors (39016044).

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

22875156 is a wasteful number, since it uses less digits than its factorization.

22875156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245 (or 9237 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 22875156 is about 4782.7979259007. The cubic root of 22875156 is about 283.8712138422.

The spelling of 22875156 in words is "twenty-two million, eight hundred seventy-five thousand, one hundred fifty-six".