22974564 has 24 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 7635424.

The previous prime is 22974563. The next prime is 22974569. The reversal of 22974564 is 46547922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22974563) 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, 1642 + ... + 6974.

It is an arithmetic number, because the mean of its divisors is an integer number (2240280).

Almost surely, 2^22974564 is an apocalyptic number.

It is an amenable number.

22974564 is an abundant number, since it is smaller than the sum of its proper divisors (30792156).

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

22974564 is a wasteful number, since it uses less digits than its factorization.

22974564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699 (or 5697 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 22974564 is about 4793.1789034001. The cubic root of 22974564 is about 284.2818236621.

The spelling of 22974564 in words is "twenty-two million, nine hundred seventy-four thousand, five hundred sixty-four".