22125224552512 has 56 divisors (see below), whose sum is σ = 45208625027832. Its totient is φ = 10736871014400.

The previous prime is 22125224552507. The next prime is 22125224552513. The reversal of 22125224552512 is 21525542252122.

It can be written as a sum of positive squares in 4 ways, for example, as 2274136384576 + 19851088167936 = 1508024^2 + 4455456^2 .

It is a super-2 number, since 2×22125224552512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22125224552513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21337789 + ... + 22350652.

It is an arithmetic number, because the mean of its divisors is an integer number (807296875497).

Almost surely, 2^{22125224552512} is an apocalyptic number.

It is an amenable number.

22125224552512 is an abundant number, since it is smaller than the sum of its proper divisors (23083400475320).

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

22125224552512 is a wasteful number, since it uses less digits than its factorization.

22125224552512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43688687 (or 43688677 counting only the distinct ones).

The product of its digits is 320000, while the sum is 40.

The spelling of 22125224552512 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred twenty-four million, five hundred fifty-two thousand, five hundred twelve".