22900564 has 12 divisors (see below), whose sum is σ = 42433524. Its totient is φ = 10776704.

The previous prime is 22900541. The next prime is 22900583. The reversal of 22900564 is 46500922.

It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 2722500 = 4492^2 + 1650^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168319 + ... + 168454.

It is an arithmetic number, because the mean of its divisors is an integer number (3536127).

Almost surely, 2^22900564 is an apocalyptic number.

It is an amenable number.

22900564 is a deficient number, since it is larger than the sum of its proper divisors (19532960).

22900564 is a wasteful number, since it uses less digits than its factorization.

22900564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336794 (or 336792 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22900564 is about 4785.4533745508. The cubic root of 22900564 is about 283.9762758732.

The spelling of 22900564 in words is "twenty-two million, nine hundred thousand, five hundred sixty-four".