22975128 has 48 divisors (see below), whose sum is σ = 67883400. Its totient is φ = 6961920.

The previous prime is 22975097. The next prime is 22975133. The reversal of 22975128 is 82157922.

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

It is a junction number, because it is equal to n+sod(n) for n = 22975092 and 22975101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13713 + ... + 15296.

Almost surely, 2^22975128 is an apocalyptic number.

It is an amenable number.

22975128 is an abundant number, since it is smaller than the sum of its proper divisors (44908272).

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

22975128 is a wasteful number, since it uses less digits than its factorization.

22975128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29032 (or 29025 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 22975128 is about 4793.2377366452. The cubic root of 22975128 is about 284.2841499106.

It can be divided in two parts, 229 and 75128, that added together give a palindrome (75357).

The spelling of 22975128 in words is "twenty-two million, nine hundred seventy-five thousand, one hundred twenty-eight".