22222111984 has 20 divisors (see below), whose sum is σ = 43077908016. Its totient is φ = 11105232512.

The previous prime is 22222111973. The next prime is 22222111991. The reversal of 22222111984 is 48911122222.

It is a super-2 number, since 2×22222111984² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 332404 + ... + 393619.

Almost surely, 2^22222111984 is an apocalyptic number.

It is an amenable number.

22222111984 is a deficient number, since it is larger than the sum of its proper divisors (20855796032).

22222111984 is a wasteful number, since it uses less digits than its factorization.

22222111984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727944 (or 727938 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The spelling of 22222111984 in words is "twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred eighty-four".