22625063538 has 64 divisors (see below), whose sum is σ = 57791784960. Its totient is φ = 5733302400.

The previous prime is 22625063507. The next prime is 22625063563. The reversal of 22625063538 is 83536052622.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 22625063538.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578278 + ... + 616161.

It is an arithmetic number, because the mean of its divisors is an integer number (902996640).

Almost surely, 2^22625063538 is an apocalyptic number.

22625063538 is an abundant number, since it is smaller than the sum of its proper divisors (35166721422).

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

22625063538 is a wasteful number, since it uses less digits than its factorization.

22625063538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194503.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 22625063538 in words is "twenty-two billion, six hundred twenty-five million, sixty-three thousand, five hundred thirty-eight".