22725931097 has 2 divisors, whose sum is σ = 22725931098. Its totient is φ = 22725931096.

The previous prime is 22725931091. The next prime is 22725931121. The reversal of 22725931097 is 79013952722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21829767001 + 896164096 = 147749^2 + 29936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22725931097 - 2²⁶ = 22658822233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22725931091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362965548 + 11362965549.

It is an arithmetic number, because the mean of its divisors is an integer number (11362965549).

Almost surely, 2^22725931097 is an apocalyptic number.

It is an amenable number.

22725931097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22725931097 is an equidigital number, since it uses as much as digits as its factorization.

22725931097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 22725931097 in words is "twenty-two billion, seven hundred twenty-five million, nine hundred thirty-one thousand, ninety-seven".