22709460731 has 2 divisors, whose sum is σ = 22709460732. Its totient is φ = 22709460730.

The previous prime is 22709460691. The next prime is 22709460743. The reversal of 22709460731 is 13706490722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22709460731 is a prime.

It is a super-2 number, since 2×22709460731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22709460751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354730365 + 11354730366.

It is an arithmetic number, because the mean of its divisors is an integer number (11354730366).

Almost surely, 2^22709460731 is an apocalyptic number.

22709460731 is a deficient number, since it is larger than the sum of its proper divisors (1).

22709460731 is an equidigital number, since it uses as much as digits as its factorization.

22709460731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 22709460731 in words is "twenty-two billion, seven hundred nine million, four hundred sixty thousand, seven hundred thirty-one".