22656145320 has 96 divisors (see below), whose sum is σ = 75021827400. Its totient is φ = 5927640576.

The previous prime is 22656145313. The next prime is 22656145349. The reversal of 22656145320 is 2354165622.

22656145320 is a `hidden beast` number, since 2 + 2 + 6 + 5 + 614 + 5 + 32 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22264817796 + 391327524 = 149214^2 + 19782^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574635 + ... + 612794.

Almost surely, 2^22656145320 is an apocalyptic number.

22656145320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22656145320 is an abundant number, since it is smaller than the sum of its proper divisors (52365682080).

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

22656145320 is a wasteful number, since it uses less digits than its factorization.

22656145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187499 (or 1187492 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 22656145320 in words is "twenty-two billion, six hundred fifty-six million, one hundred forty-five thousand, three hundred twenty".