422566012808 has 8 divisors (see below), whose sum is σ = 792311274030. Its totient is φ = 211283006400.

The previous prime is 422566012769. The next prime is 422566012831. The reversal of 422566012808 is 808210665224.

It can be written as a sum of positive squares in only one way, i.e., 268429682404 + 154136330404 = 518102^2 + 392602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26410375793 + ... + 26410375808.

Almost surely, 2^422566012808 is an apocalyptic number.

It is an amenable number.

422566012808 is a deficient number, since it is larger than the sum of its proper divisors (369745261222).

422566012808 is a wasteful number, since it uses less digits than its factorization.

422566012808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52820751607 (or 52820751603 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 422566012808 in words is "four hundred twenty-two billion, five hundred sixty-six million, twelve thousand, eight hundred eight".