22972504 has 8 divisors (see below), whose sum is σ = 43073460. Its totient is φ = 11486248.

The previous prime is 22972487. The next prime is 22972507. The reversal of 22972504 is 40527922.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22972507) 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 as a sum of consecutive naturals, namely, 1435774 + ... + 1435789.

Almost surely, 2^22972504 is an apocalyptic number.

It is an amenable number.

22972504 is a deficient number, since it is larger than the sum of its proper divisors (20100956).

22972504 is a wasteful number, since it uses less digits than its factorization.

22972504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871569 (or 2871565 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22972504 is about 4792.9640098795. The cubic root of 22972504 is about 284.2733267572.

The spelling of 22972504 in words is "twenty-two million, nine hundred seventy-two thousand, five hundred four".