22490677193 has 2 divisors, whose sum is σ = 22490677194. Its totient is φ = 22490677192.

The previous prime is 22490677177. The next prime is 22490677201. The reversal of 22490677193 is 39177609422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14874973369 + 7615703824 = 121963^2 + 87268^2 .

It is a cyclic number.

It is not a de Polignac number, because 22490677193 - 2⁴ = 22490677177 is a prime.

It is not a weakly prime, because it can be changed into another prime (22490677793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11245338596 + 11245338597.

It is an arithmetic number, because the mean of its divisors is an integer number (11245338597).

Almost surely, 2^22490677193 is an apocalyptic number.

It is an amenable number.

22490677193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22490677193 is an equidigital number, since it uses as much as digits as its factorization.

22490677193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 22490677193 in words is "twenty-two billion, four hundred ninety million, six hundred seventy-seven thousand, one hundred ninety-three".