22352564 has 24 divisors (see below), whose sum is σ = 42641760. Its totient is φ = 10190304.

The previous prime is 22352543. The next prime is 22352587. The reversal of 22352564 is 46525322.

It is a congruent number.

It is an unprimeable number.

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, 1727 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (1776740).

Almost surely, 2^22352564 is an apocalyptic number.

It is an amenable number.

22352564 is a deficient number, since it is larger than the sum of its proper divisors (20289196).

22352564 is a wasteful number, since it uses less digits than its factorization.

22352564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279 (or 5277 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22352564 is about 4727.8498284104. The cubic root of 22352564 is about 281.6928231412.

Adding to 22352564 its reverse (46525322), we get a palindrome (68877886).

The spelling of 22352564 in words is "twenty-two million, three hundred fifty-two thousand, five hundred sixty-four".