22939986 has 16 divisors (see below), whose sum is σ = 47462400. Its totient is φ = 7382928.

The previous prime is 22939981. The next prime is 22939991. The reversal of 22939986 is 68993922.

It is an interprime number because it is at equal distance from previous prime (22939981) and next prime (22939991).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22939981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65746 + ... + 66093.

It is an arithmetic number, because the mean of its divisors is an integer number (2966400).

Almost surely, 2^22939986 is an apocalyptic number.

22939986 is an abundant number, since it is smaller than the sum of its proper divisors (24522414).

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

22939986 is a wasteful number, since it uses less digits than its factorization.

22939986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131873.

The product of its digits is 419904, while the sum is 48.

The square root of 22939986 is about 4789.5705444225. The cubic root of 22939986 is about 284.1391320527.

The spelling of 22939986 in words is "twenty-two million, nine hundred thirty-nine thousand, nine hundred eighty-six".