422912612 has 12 divisors (see below), whose sum is σ = 740241516. Its totient is φ = 211415040.

The previous prime is 422912593. The next prime is 422912617. The reversal of 422912612 is 216219224.

It can be written as a sum of positive squares in 2 ways, for example, as 207821056 + 215091556 = 14416^2 + 14666^2 .

It is not an unprimeable number, because it can be changed into a prime (422912617) 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, 32312 + ... + 43472.

It is an arithmetic number, because the mean of its divisors is an integer number (61686793).

Almost surely, 2^422912612 is an apocalyptic number.

It is an amenable number.

422912612 is a deficient number, since it is larger than the sum of its proper divisors (317328904).

422912612 is a wasteful number, since it uses less digits than its factorization.

422912612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638 (or 20636 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 422912612 is about 20564.8392164879. The cubic root of 422912612 is about 750.6143777677.

The spelling of 422912612 in words is "four hundred twenty-two million, nine hundred twelve thousand, six hundred twelve".