22564361009 has 2 divisors, whose sum is σ = 22564361010. Its totient is φ = 22564361008.

The previous prime is 22564360991. The next prime is 22564361021. The reversal of 22564361009 is 90016346522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15413967409 + 7150393600 = 124153^2 + 84560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22564361009 is a prime.

It is not a weakly prime, because it can be changed into another prime (22564361059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282180504 + 11282180505.

It is an arithmetic number, because the mean of its divisors is an integer number (11282180505).

Almost surely, 2^22564361009 is an apocalyptic number.

It is an amenable number.

22564361009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22564361009 is an equidigital number, since it uses as much as digits as its factorization.

22564361009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 22564361009 in words is "twenty-two billion, five hundred sixty-four million, three hundred sixty-one thousand, nine".