22212984 has 32 divisors (see below), whose sum is σ = 55728720. Its totient is φ = 7378176.

The previous prime is 22212959. The next prime is 22212991. The reversal of 22212984 is 48921222.

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 7 ways as a sum of consecutive naturals, for example, 6034 + ... + 8990.

Almost surely, 2^22212984 is an apocalyptic number.

22212984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22212984 is an abundant number, since it is smaller than the sum of its proper divisors (33515736).

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

22212984 is a wasteful number, since it uses less digits than its factorization.

22212984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3275 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 22212984 is about 4713.0652446152. The cubic root of 22212984 is about 281.1052572754.

The spelling of 22212984 in words is "twenty-two million, two hundred twelve thousand, nine hundred eighty-four".