22356489455089 has 2 divisors, whose sum is σ = 22356489455090. Its totient is φ = 22356489455088.

The previous prime is 22356489455039. The next prime is 22356489455093. The reversal of 22356489455089 is 98055498465322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18208782480625 + 4147706974464 = 4267175^2 + 2036592^2 .

It is a cyclic number.

It is not a de Polignac number, because 22356489455089 - 2¹⁵ = 22356489422321 is a prime.

It is not a weakly prime, because it can be changed into another prime (22356489455039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11178244727544 + 11178244727545.

It is an arithmetic number, because the mean of its divisors is an integer number (11178244727545).

Almost surely, 2^{22356489455089} is an apocalyptic number.

It is an amenable number.

22356489455089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22356489455089 is an equidigital number, since it uses as much as digits as its factorization.

22356489455089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496000, while the sum is 70.

The spelling of 22356489455089 in words is "twenty-two trillion, three hundred fifty-six billion, four hundred eighty-nine million, four hundred fifty-five thousand, eighty-nine".