22664699492608 has 36 divisors (see below), whose sum is σ = 45401864666508. Its totient is φ = 11292021063680.

The previous prime is 22664699492581. The next prime is 22664699492623. The reversal of 22664699492608 is 80629499646622.

It can be written as a sum of positive squares in 2 ways, for example, as 15751754447104 + 6912945045504 = 3968848^2 + 2629248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157461841 + ... + 157605712.

It is an arithmetic number, because the mean of its divisors is an integer number (1261162907403).

Almost surely, 2^{22664699492608} is an apocalyptic number.

It is an amenable number.

22664699492608 is an abundant number, since it is smaller than the sum of its proper divisors (22737165173900).

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

22664699492608 is an equidigital number, since it uses as much as digits as its factorization.

22664699492608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315067850 (or 315067836 counting only the distinct ones).

The product of its (nonzero) digits is 967458816, while the sum is 73.

The spelling of 22664699492608 in words is "twenty-two trillion, six hundred sixty-four billion, six hundred ninety-nine million, four hundred ninety-two thousand, six hundred eight".