22530140788 has 24 divisors (see below), whose sum is σ = 41257401192. Its totient is φ = 10753801344.

The previous prime is 22530140779. The next prime is 22530140813. The reversal of 22530140788 is 88704103522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14753017444 + 7777123344 = 121462^2 + 88188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22530140788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428295 + ... + 1443982.

It is an arithmetic number, because the mean of its divisors is an integer number (1719058383).

Almost surely, 2^22530140788 is an apocalyptic number.

It is an amenable number.

22530140788 is a deficient number, since it is larger than the sum of its proper divisors (18727260404).

22530140788 is a wasteful number, since it uses less digits than its factorization.

22530140788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872371 (or 2872369 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 22530140788 in words is "twenty-two billion, five hundred thirty million, one hundred forty thousand, seven hundred eighty-eight".