22103994996 has 72 divisors (see below), whose sum is σ = 58592668680. Its totient is φ = 7016454144.

The previous prime is 22103994943. The next prime is 22103995009. The reversal of 22103994996 is 69949930122.

It can be written as a sum of positive squares in 4 ways, for example, as 5385504996 + 16718490000 = 73386^2 + 129300^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68805 + ... + 221228.

It is an arithmetic number, because the mean of its divisors is an integer number (813787065).

Almost surely, 2^22103994996 is an apocalyptic number.

It is an amenable number.

22103994996 is an abundant number, since it is smaller than the sum of its proper divisors (36488673684).

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

22103994996 is a wasteful number, since it uses less digits than its factorization.

22103994996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290145 (or 290140 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 22103994996 in words is "twenty-two billion, one hundred three million, nine hundred ninety-four thousand, nine hundred ninety-six".