422219912 has 16 divisors (see below), whose sum is σ = 792064860. Its totient is φ = 211002624.

The previous prime is 422219911. The next prime is 422219923. The reversal of 422219912 is 219912224.

It can be written as a sum of positive squares in 2 ways, for example, as 422138116 + 81796 = 20546^2 + 286^2 .

It is not an unprimeable number, because it can be changed into a prime (422219911) 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, 4748 + ... + 29444.

Almost surely, 2^422219912 is an apocalyptic number.

It is an amenable number.

422219912 is a deficient number, since it is larger than the sum of its proper divisors (369844948).

422219912 is a wasteful number, since it uses less digits than its factorization.

422219912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840 (or 26836 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 422219912 is about 20547.9904613566. The cubic root of 422219912 is about 750.2043366200.

The spelling of 422219912 in words is "four hundred twenty-two million, two hundred nineteen thousand, nine hundred twelve".