22501362612 has 96 divisors (see below), whose sum is σ = 54578668032. Its totient is φ = 7210515456.

The previous prime is 22501362601. The next prime is 22501362623. The reversal of 22501362612 is 21626310522.

It is an interprime number because it is at equal distance from previous prime (22501362601) and next prime (22501362623).

It is a super-2 number, since 2×22501362612² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22501362612.

It is a congruent number.

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, 11403658 + ... + 11405630.

It is an arithmetic number, because the mean of its divisors is an integer number (568527792).

Almost surely, 2^22501362612 is an apocalyptic number.

It is an amenable number.

22501362612 is an abundant number, since it is smaller than the sum of its proper divisors (32077305420).

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

22501362612 is a wasteful number, since it uses less digits than its factorization.

22501362612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 22501362612 in words is "twenty-two billion, five hundred one million, three hundred sixty-two thousand, six hundred twelve".