422430628 has 12 divisors (see below), whose sum is σ = 759233692. Its totient is φ = 205506720.

The previous prime is 422430611. The next prime is 422430641. The reversal of 422430628 is 826034224.

It can be written as a sum of positive squares in 2 ways, for example, as 208744704 + 213685924 = 14448^2 + 14618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422430628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426983 + ... + 1427278.

Almost surely, 2^422430628 is an apocalyptic number.

It is an amenable number.

422430628 is a deficient number, since it is larger than the sum of its proper divisors (336803064).

422430628 is a wasteful number, since it uses less digits than its factorization.

422430628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854302 (or 2854300 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 422430628 is about 20553.1172331595. The cubic root of 422430628 is about 750.3291165923.

The spelling of 422430628 in words is "four hundred twenty-two million, four hundred thirty thousand, six hundred twenty-eight".