22456355332012 has 48 divisors (see below), whose sum is σ = 45705382168320. Its totient is φ = 9454518672192.

The previous prime is 22456355332009. The next prime is 22456355332121. The reversal of 22456355332012 is 21023355365422.

It is a self number, because there is not a number n which added to its sum of digits gives 22456355332012.

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, 2277358 + ... + 7078069.

It is an arithmetic number, because the mean of its divisors is an integer number (952195461840).

Almost surely, 2^{22456355332012} is an apocalyptic number.

It is an amenable number.

22456355332012 is an abundant number, since it is smaller than the sum of its proper divisors (23249026836308).

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

22456355332012 is a wasteful number, since it uses less digits than its factorization.

22456355332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356950 (or 9356948 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 22456355332012 in words is "twenty-two trillion, four hundred fifty-six billion, three hundred fifty-five million, three hundred thirty-two thousand, twelve".