22045504442988 has 72 divisors (see below), whose sum is σ = 55702186783488. Its totient is φ = 6783059794368.

The previous prime is 22045504442977. The next prime is 22045504442989. The reversal of 22045504442988 is 88924440554022.

It is a super-2 number, since 2×22045504442988² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22045504442989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96302881 + ... + 96531527.

It is an arithmetic number, because the mean of its divisors is an integer number (773641483104).

Almost surely, 2^{22045504442988} is an apocalyptic number.

It is an amenable number.

22045504442988 is an abundant number, since it is smaller than the sum of its proper divisors (33656682340500).

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

22045504442988 is a wasteful number, since it uses less digits than its factorization.

22045504442988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276223 (or 276208 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 57.

The spelling of 22045504442988 in words is "twenty-two trillion, forty-five billion, five hundred four million, four hundred forty-two thousand, nine hundred eighty-eight".