22007491200 has 144 divisors (see below), whose sum is σ = 78527874750. Its totient is φ = 5868656640.

The previous prime is 22007491147. The next prime is 22007491213. The reversal of 22007491200 is 219470022.

It can be written as a sum of positive squares in 3 ways, for example, as 19396689984 + 2610801216 = 139272^2 + 51096^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 353275 + ... + 410874.

Almost surely, 2^22007491200 is an apocalyptic number.

22007491200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22007491200 is an abundant number, since it is smaller than the sum of its proper divisors (56520383550).

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

22007491200 is a wasteful number, since it uses less digits than its factorization.

22007491200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764179 (or 764159 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 22007491200 in words is "twenty-two billion, seven million, four hundred ninety-one thousand, two hundred".