22304504 has 16 divisors (see below), whose sum is σ = 41983920. Its totient is φ = 11108800.

The previous prime is 22304483. The next prime is 22304551. The reversal of 22304504 is 40540322.

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 in 3 ways as a sum of consecutive naturals, for example, 3197 + ... + 7404.

It is an arithmetic number, because the mean of its divisors is an integer number (2623995).

Almost surely, 2^22304504 is an apocalyptic number.

It is an amenable number.

22304504 is a deficient number, since it is larger than the sum of its proper divisors (19679416).

22304504 is a wasteful number, since it uses less digits than its factorization.

22304504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22304504 is about 4722.7644446870. The cubic root of 22304504 is about 281.4907900704.

Adding to 22304504 its reverse (40540322), we get a palindrome (62844826).

The spelling of 22304504 in words is "twenty-two million, three hundred four thousand, five hundred four".