22534521512 has 16 divisors (see below), whose sum is σ = 44476029600. Its totient is φ = 10674246960.

The previous prime is 22534521473. The next prime is 22534521521. The reversal of 22534521512 is 21512543522.

It is a super-2 number, since 2×22534521512² (a number of 22 digits) contains 22 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, 74126564 + ... + 74126867.

It is an arithmetic number, because the mean of its divisors is an integer number (2779751850).

Almost surely, 2^22534521512 is an apocalyptic number.

It is an amenable number.

22534521512 is a deficient number, since it is larger than the sum of its proper divisors (21941508088).

22534521512 is a wasteful number, since it uses less digits than its factorization.

22534521512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148253456 (or 148253452 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The spelling of 22534521512 in words is "twenty-two billion, five hundred thirty-four million, five hundred twenty-one thousand, five hundred twelve".