22115502552 has 64 divisors (see below), whose sum is σ = 64954632960. Its totient is φ = 6186153600.

The previous prime is 22115502499. The next prime is 22115502569. The reversal of 22115502552 is 25520551122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3218524 + ... + 3225387.

It is an arithmetic number, because the mean of its divisors is an integer number (1014916140).

Almost surely, 2^22115502552 is an apocalyptic number.

22115502552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22115502552 is an abundant number, since it is smaller than the sum of its proper divisors (42839130408).

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

22115502552 is a wasteful number, since it uses less digits than its factorization.

22115502552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443944 (or 6443940 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 22115502552 in words is "twenty-two billion, one hundred fifteen million, five hundred two thousand, five hundred fifty-two".