22520404624 has 15 divisors (see below), whose sum is σ = 43634447017. Its totient is φ = 11259902176.

The previous prime is 22520404609. The next prime is 22520404649. The reversal of 22520404624 is 42640402522.

The square root of 22520404624 is 150068.

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

It can be written as a sum of positive squares in only one way, i.e., 11291187600 + 11229217024 = 106260^2 + 105968^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 581514 + ... + 619030.

Almost surely, 2^22520404624 is an apocalyptic number.

22520404624 is the 150068-th square number.

It is an amenable number.

22520404624 is a deficient number, since it is larger than the sum of its proper divisors (21114042393).

22520404624 is an frugal number, since it uses more digits than its factorization.

22520404624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75042 (or 37519 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 22520404624 in words is "twenty-two billion, five hundred twenty million, four hundred four thousand, six hundred twenty-four".