22131939884 has 12 divisors (see below), whose sum is σ = 38761091544. Its totient is φ = 11057342304.

The previous prime is 22131939857. The next prime is 22131939919. The reversal of 22131939884 is 48893913122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151137 + ... + 2161400.

It is an arithmetic number, because the mean of its divisors is an integer number (3230090962).

Almost surely, 2^22131939884 is an apocalyptic number.

It is an amenable number.

22131939884 is a deficient number, since it is larger than the sum of its proper divisors (16629151660).

22131939884 is a wasteful number, since it uses less digits than its factorization.

22131939884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313824 (or 4313822 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The spelling of 22131939884 in words is "twenty-two billion, one hundred thirty-one million, nine hundred thirty-nine thousand, eight hundred eighty-four".