22394523904 has 81 divisors (see below), whose sum is σ = 45903567927. Its totient is φ = 10903951872.

The previous prime is 22394523889. The next prime is 22394523913. The reversal of 22394523904 is 40932549322.

The square root of 22394523904 is 149648.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 112535197 + ... + 112535395.

Almost surely, 2^22394523904 is an apocalyptic number.

22394523904 is the 149648-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22394523904

22394523904 is an abundant number, since it is smaller than the sum of its proper divisors (23509044023).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22394523904 is an frugal number, since it uses more digits than its factorization.

22394523904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 22394523904 in words is "twenty-two billion, three hundred ninety-four million, five hundred twenty-three thousand, nine hundred four".