22715415973 has 2 divisors, whose sum is σ = 22715415974. Its totient is φ = 22715415972.

The previous prime is 22715415967. The next prime is 22715415979. The reversal of 22715415973 is 37951451722.

It is a balanced prime because it is at equal distance from previous prime (22715415967) and next prime (22715415979).

It can be written as a sum of positive squares in only one way, i.e., 16001744004 + 6713671969 = 126498^2 + 81937^2 .

It is a cyclic number.

It is not a de Polignac number, because 22715415973 - 2²¹ = 22713318821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22715415979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357707986 + 11357707987.

It is an arithmetic number, because the mean of its divisors is an integer number (11357707987).

Almost surely, 2^22715415973 is an apocalyptic number.

It is an amenable number.

22715415973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22715415973 is an equidigital number, since it uses as much as digits as its factorization.

22715415973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The spelling of 22715415973 in words is "twenty-two billion, seven hundred fifteen million, four hundred fifteen thousand, nine hundred seventy-three".