22456659697 has 2 divisors, whose sum is σ = 22456659698. Its totient is φ = 22456659696.

The previous prime is 22456659679. The next prime is 22456659727. The reversal of 22456659697 is 79695665422.

Together with previous prime (22456659679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21702003856 + 754655841 = 147316^2 + 27471^2 .

It is a cyclic number.

It is not a de Polignac number, because 22456659697 - 2²⁷ = 22322441969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22456659637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11228329848 + 11228329849.

It is an arithmetic number, because the mean of its divisors is an integer number (11228329849).

Almost surely, 2^22456659697 is an apocalyptic number.

It is an amenable number.

22456659697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22456659697 is an equidigital number, since it uses as much as digits as its factorization.

22456659697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 22456659697 in words is "twenty-two billion, four hundred fifty-six million, six hundred fifty-nine thousand, six hundred ninety-seven".