422666622613 has 2 divisors, whose sum is σ = 422666622614. Its totient is φ = 422666622612.

The previous prime is 422666622607. The next prime is 422666622667. The reversal of 422666622613 is 316226666224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354903764644 + 67762857969 = 595738^2 + 260313^2 .

It is a cyclic number.

It is not a de Polignac number, because 422666622613 - 2²⁵ = 422633068181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422666622113) 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, 211333311306 + 211333311307.

It is an arithmetic number, because the mean of its divisors is an integer number (211333311307).

Almost surely, 2^422666622613 is an apocalyptic number.

It is an amenable number.

422666622613 is a deficient number, since it is larger than the sum of its proper divisors (1).

422666622613 is an equidigital number, since it uses as much as digits as its factorization.

422666622613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 46.

The spelling of 422666622613 in words is "four hundred twenty-two billion, six hundred sixty-six million, six hundred twenty-two thousand, six hundred thirteen".