22625138980 has 12 divisors (see below), whose sum is σ = 47512791900. Its totient is φ = 9050055584.

The previous prime is 22625138969. The next prime is 22625139001. The reversal of 22625138980 is 8983152622.

It can be written as a sum of positive squares in 2 ways, for example, as 7441477696 + 15183661284 = 86264^2 + 123222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22625138980.

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, 565628455 + ... + 565628494.

It is an arithmetic number, because the mean of its divisors is an integer number (3959399325).

Almost surely, 2^22625138980 is an apocalyptic number.

22625138980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22625138980 is an abundant number, since it is smaller than the sum of its proper divisors (24887652920).

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

22625138980 is a wasteful number, since it uses less digits than its factorization.

22625138980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131256958 (or 1131256956 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 22625138980 in words is "twenty-two billion, six hundred twenty-five million, one hundred thirty-eight thousand, nine hundred eighty".