22839931 has 2 divisors, whose sum is σ = 22839932. Its totient is φ = 22839930.

The previous prime is 22839917. The next prime is 22839937. The reversal of 22839931 is 13993822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22839931 - 2²³ = 14451323 is a prime.

It is a super-2 number, since 2×22839931² = 1043324896169522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22839937) 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 as a sum of consecutive naturals, namely, 11419965 + 11419966.

It is an arithmetic number, because the mean of its divisors is an integer number (11419966).

Almost surely, 2^22839931 is an apocalyptic number.

22839931 is a deficient number, since it is larger than the sum of its proper divisors (1).

22839931 is an equidigital number, since it uses as much as digits as its factorization.

22839931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 22839931 is about 4779.1140392336. The cubic root of 22839931 is about 283.7254297652.

The spelling of 22839931 in words is "twenty-two million, eight hundred thirty-nine thousand, nine hundred thirty-one".