22921963 has 2 divisors, whose sum is σ = 22921964. Its totient is φ = 22921962.

The previous prime is 22921931. The next prime is 22921979. The reversal of 22921963 is 36912922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22921963 - 2⁵ = 22921931 is a prime.

It is not a weakly prime, because it can be changed into another prime (22921903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11460981 + 11460982.

It is an arithmetic number, because the mean of its divisors is an integer number (11460982).

Almost surely, 2^22921963 is an apocalyptic number.

22921963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22921963 is an equidigital number, since it uses as much as digits as its factorization.

22921963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 22921963 is about 4787.6886907985. The cubic root of 22921963 is about 284.0647004279.

The spelling of 22921963 in words is "twenty-two million, nine hundred twenty-one thousand, nine hundred sixty-three".