22939369 has 2 divisors, whose sum is σ = 22939370. Its totient is φ = 22939368.

The previous prime is 22939333. The next prime is 22939379. The reversal of 22939369 is 96393922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 660969 = 4720^2 + 813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22939369 is a prime.

It is a super-2 number, since 2×22939369² = 1052429300236322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22939379) 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, 11469684 + 11469685.

It is an arithmetic number, because the mean of its divisors is an integer number (11469685).

Almost surely, 2^22939369 is an apocalyptic number.

It is an amenable number.

22939369 is a deficient number, since it is larger than the sum of its proper divisors (1).

22939369 is an equidigital number, since it uses as much as digits as its factorization.

22939369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 43.

The square root of 22939369 is about 4789.5061332041. The cubic root of 22939369 is about 284.1365846025.

The spelling of 22939369 in words is "twenty-two million, nine hundred thirty-nine thousand, three hundred sixty-nine".