22490465644177 has 2 divisors, whose sum is σ = 22490465644178. Its totient is φ = 22490465644176.

The previous prime is 22490465644169. The next prime is 22490465644189. The reversal of 22490465644177 is 77144656409422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19514871694096 + 2975593950081 = 4417564^2 + 1724991^2 .

It is a cyclic number.

It is not a de Polignac number, because 22490465644177 - 2³ = 22490465644169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22490465644477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11245232822088 + 11245232822089.

It is an arithmetic number, because the mean of its divisors is an integer number (11245232822089).

Almost surely, 2^{22490465644177} is an apocalyptic number.

It is an amenable number.

22490465644177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22490465644177 is an equidigital number, since it uses as much as digits as its factorization.

22490465644177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 22490465644177 in words is "twenty-two trillion, four hundred ninety billion, four hundred sixty-five million, six hundred forty-four thousand, one hundred seventy-seven".