22131110994 has 32 divisors (see below), whose sum is σ = 45220605696. Its totient is φ = 7217422080.

The previous prime is 22131110959. The next prime is 22131111029. The reversal of 22131110994 is 49901113122.

It is an interprime number because it is at equal distance from previous prime (22131110959) and next prime (22131111029).

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, 843514 + ... + 869354.

It is an arithmetic number, because the mean of its divisors is an integer number (1413143928).

Almost surely, 2^22131110994 is an apocalyptic number.

22131110994 is an abundant number, since it is smaller than the sum of its proper divisors (23089494702).

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

22131110994 is a wasteful number, since it uses less digits than its factorization.

22131110994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28930.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 22131110994 in words is "twenty-two billion, one hundred thirty-one million, one hundred ten thousand, nine hundred ninety-four".