22400731152 has 30 divisors (see below), whose sum is σ = 62690935502. Its totient is φ = 7466910336.

The previous prime is 22400731109. The next prime is 22400731183. The reversal of 22400731152 is 25113700422.

It can be written as a sum of positive squares in only one way, i.e., 22255865856 + 144865296 = 149184^2 + 12036^2 .

It is a super-2 number, since 2×22400731152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77780173 + ... + 77780460.

Almost surely, 2^22400731152 is an apocalyptic number.

It is an amenable number.

22400731152 is an abundant number, since it is smaller than the sum of its proper divisors (40290204350).

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

22400731152 is a wasteful number, since it uses less digits than its factorization.

22400731152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155560647 (or 155560638 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 22400731152 in words is "twenty-two billion, four hundred million, seven hundred thirty-one thousand, one hundred fifty-two".