22504604 has 6 divisors (see below), whose sum is σ = 39383064. Its totient is φ = 11252300.

The previous prime is 22504597. The next prime is 22504631. The reversal of 22504604 is 40640522.

It is a self number, because there is not a number n which added to its sum of digits gives 22504604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813072 + ... + 2813079.

It is an arithmetic number, because the mean of its divisors is an integer number (6563844).

Almost surely, 2^22504604 is an apocalyptic number.

It is an amenable number.

22504604 is a deficient number, since it is larger than the sum of its proper divisors (16878460).

22504604 is a wasteful number, since it uses less digits than its factorization.

22504604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626155 (or 5626153 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22504604 is about 4743.9017696407. The cubic root of 22504604 is about 282.3300630394.

The spelling of 22504604 in words is "twenty-two million, five hundred four thousand, six hundred four".