422510864 has 20 divisors (see below), whose sum is σ = 823833804. Its totient is φ = 209908608.

The previous prime is 422510849. The next prime is 422510867. The reversal of 422510864 is 468015224.

It can be written as a sum of positive squares in 2 ways, for example, as 242736400 + 179774464 = 15580^2 + 13408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422510864.

It is not an unprimeable number, because it can be changed into a prime (422510867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81587 + ... + 86610.

Almost surely, 2^422510864 is an apocalyptic number.

It is an amenable number.

422510864 is a deficient number, since it is larger than the sum of its proper divisors (401322940).

422510864 is a wasteful number, since it uses less digits than its factorization.

422510864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168362 (or 168356 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 422510864 is about 20555.0690585072. The cubic root of 422510864 is about 750.3766191420.

The spelling of 422510864 in words is "four hundred twenty-two million, five hundred ten thousand, eight hundred sixty-four".