22531514512 has 20 divisors (see below), whose sum is σ = 47012872060. Its totient is φ = 10399160448.

The previous prime is 22531514479. The next prime is 22531514597. The reversal of 22531514512 is 21541513522.

It can be written as a sum of positive squares in 2 ways, for example, as 12107921296 + 10423593216 = 110036^2 + 102096^2 .

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, 54162087 + ... + 54162502.

It is an arithmetic number, because the mean of its divisors is an integer number (2350643603).

Almost surely, 2^22531514512 is an apocalyptic number.

It is an amenable number.

22531514512 is an abundant number, since it is smaller than the sum of its proper divisors (24481357548).

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

22531514512 is a wasteful number, since it uses less digits than its factorization.

22531514512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108324610 (or 108324604 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The spelling of 22531514512 in words is "twenty-two billion, five hundred thirty-one million, five hundred fourteen thousand, five hundred twelve".