22364939 has 2 divisors, whose sum is σ = 22364940. Its totient is φ = 22364938.

The previous prime is 22364933. The next prime is 22364941. The reversal of 22364939 is 93946322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22364939 - 2¹² = 22360843 is a prime.

Together with 22364941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22364933) 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 as a sum of consecutive naturals, namely, 11182469 + 11182470.

It is an arithmetic number, because the mean of its divisors is an integer number (11182470).

Almost surely, 2^22364939 is an apocalyptic number.

22364939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22364939 is an equidigital number, since it uses as much as digits as its factorization.

22364939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 22364939 is about 4729.1583817842. The cubic root of 22364939 is about 281.7447978733.

The spelling of 22364939 in words is "twenty-two million, three hundred sixty-four thousand, nine hundred thirty-nine".