22182939 has 12 divisors (see below), whose sum is σ = 32083272. Its totient is φ = 14769600.

The previous prime is 22182929. The next prime is 22182947. The reversal of 22182939 is 93928122.

It is not a de Polignac number, because 22182939 - 2⁵ = 22182907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22182929) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11344 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (2673606).

Almost surely, 2^22182939 is an apocalyptic number.

22182939 is a deficient number, since it is larger than the sum of its proper divisors (9900333).

22182939 is a wasteful number, since it uses less digits than its factorization.

22182939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3175 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 22182939 is about 4709.8767499798. The cubic root of 22182939 is about 280.9784602901.

The spelling of 22182939 in words is "twenty-two million, one hundred eighty-two thousand, nine hundred thirty-nine".