22875944 has 72 divisors (see below), whose sum is σ = 54547290. Its totient is φ = 8914752.

The previous prime is 22875917. The next prime is 22875947. The reversal of 22875944 is 44957822.

It can be written as a sum of positive squares in only one way, i.e., 21996100 + 879844 = 4690^2 + 938^2 .

It is a super-2 number, since 2×22875944² = 1046617627782272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22875947) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 341399 + ... + 341465.

Almost surely, 2^22875944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22875944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27273645).

22875944 is an abundant number, since it is smaller than the sum of its proper divisors (31671346).

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

22875944 is a wasteful number, since it uses less digits than its factorization.

22875944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 89 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 22875944 is about 4782.8803037500. The cubic root of 22875944 is about 283.8744733893.

The spelling of 22875944 in words is "twenty-two million, eight hundred seventy-five thousand, nine hundred forty-four".