22938564 has 24 divisors (see below), whose sum is σ = 58389408. Its totient is φ = 6951040.

The previous prime is 22938547. The next prime is 22938569. The reversal of 22938564 is 46583922.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22938569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86757 + ... + 87020.

It is an arithmetic number, because the mean of its divisors is an integer number (2432892).

Almost surely, 2^22938564 is an apocalyptic number.

It is an amenable number.

22938564 is an abundant number, since it is smaller than the sum of its proper divisors (35450844).

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

22938564 is a wasteful number, since it uses less digits than its factorization.

22938564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173795 (or 173793 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 22938564 is about 4789.4220945747. The cubic root of 22938564 is about 284.1332608751.

The spelling of 22938564 in words is "twenty-two million, nine hundred thirty-eight thousand, five hundred sixty-four".