22466403164521 has 2 divisors, whose sum is σ = 22466403164522. Its totient is φ = 22466403164520.

The previous prime is 22466403164477. The next prime is 22466403164549. The reversal of 22466403164521 is 12546130466422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20943620016400 + 1522783148121 = 4576420^2 + 1234011^2 .

It is a cyclic number.

It is not a de Polignac number, because 22466403164521 - 2³⁷ = 22328964211049 is a prime.

It is not a weakly prime, because it can be changed into another prime (22466403164581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11233201582260 + 11233201582261.

It is an arithmetic number, because the mean of its divisors is an integer number (11233201582261).

Almost surely, 2^{22466403164521} is an apocalyptic number.

It is an amenable number.

22466403164521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22466403164521 is an equidigital number, since it uses as much as digits as its factorization.

22466403164521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 22466403164521 in words is "twenty-two trillion, four hundred sixty-six billion, four hundred three million, one hundred sixty-four thousand, five hundred twenty-one".