22564163 has 2 divisors, whose sum is σ = 22564164. Its totient is φ = 22564162.

The previous prime is 22564141. The next prime is 22564177. The reversal of 22564163 is 36146522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22564163 - 2⁶ = 22564099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22564123) 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, 11282081 + 11282082.

It is an arithmetic number, because the mean of its divisors is an integer number (11282082).

Almost surely, 2^22564163 is an apocalyptic number.

22564163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22564163 is an equidigital number, since it uses as much as digits as its factorization.

22564163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 22564163 is about 4750.1750494061. The cubic root of 22564163 is about 282.5789081789.

The spelling of 22564163 in words is "twenty-two million, five hundred sixty-four thousand, one hundred sixty-three".