422563616 has 48 divisors (see below), whose sum is σ = 843103800. Its totient is φ = 208465920.

The previous prime is 422563523. The next prime is 422563649. The reversal of 422563616 is 616365224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 397603600 + 24960016 = 19940^2 + 4996^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210610 + ... + 1210958.

Almost surely, 2^422563616 is an apocalyptic number.

It is an amenable number.

422563616 is a deficient number, since it is larger than the sum of its proper divisors (420540184).

422563616 is a wasteful number, since it uses less digits than its factorization.

422563616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 749 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 422563616 is about 20556.3522055836. The cubic root of 422563616 is about 750.4078469151.

The spelling of 422563616 in words is "four hundred twenty-two million, five hundred sixty-three thousand, six hundred sixteen".