422430724 has 24 divisors (see below), whose sum is σ = 779528960. Its totient is φ = 199747296.

The previous prime is 422430703. The next prime is 422430727. The reversal of 422430724 is 427034224.

It is a junction number, because it is equal to n+sod(n) for n = 422430692 and 422430701.

It is not an unprimeable number, because it can be changed into a prime (422430727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41554 + ... + 50710.

Almost surely, 2^422430724 is an apocalyptic number.

It is an amenable number.

422430724 is a deficient number, since it is larger than the sum of its proper divisors (357098236).

422430724 is a wasteful number, since it uses less digits than its factorization.

422430724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787 (or 9785 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 422430724 is about 20553.1195685716. The cubic root of 422430724 is about 750.3291734313.

Adding to 422430724 its reverse (427034224), we get a palindrome (849464948).

The spelling of 422430724 in words is "four hundred twenty-two million, four hundred thirty thousand, seven hundred twenty-four".