22315604552 has 16 divisors (see below), whose sum is σ = 41844537900. Its totient is φ = 11157061120.

The previous prime is 22315604543. The next prime is 22315604561. The reversal of 22315604552 is 25540651322.

It is an interprime number because it is at equal distance from previous prime (22315604543) and next prime (22315604561).

It can be written as a sum of positive squares in 2 ways, for example, as 22062349156 + 253255396 = 148534^2 + 15914^2 .

It is a super-3 number, since 3×22315604552³ (a number of 32 digits) contains 333 as substring.

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, 47852 + ... + 216612.

Almost surely, 2^22315604552 is an apocalyptic number.

It is an amenable number.

22315604552 is a deficient number, since it is larger than the sum of its proper divisors (19528933348).

22315604552 is a wasteful number, since it uses less digits than its factorization.

22315604552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185296 (or 185292 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 22315604552 in words is "twenty-two billion, three hundred fifteen million, six hundred four thousand, five hundred fifty-two".