422312236 has 6 divisors (see below), whose sum is σ = 739046420. Its totient is φ = 211156116.

The previous prime is 422312207. The next prime is 422312237. The reversal of 422312236 is 632213224.

It is a self number, because there is not a number n which added to its sum of digits gives 422312236.

It is not an unprimeable number, because it can be changed into a prime (422312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52789026 + ... + 52789033.

Almost surely, 2^422312236 is an apocalyptic number.

It is an amenable number.

422312236 is a deficient number, since it is larger than the sum of its proper divisors (316734184).

422312236 is a wasteful number, since it uses less digits than its factorization.

422312236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105578063 (or 105578061 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 422312236 is about 20550.2368842795. The cubic root of 422312236 is about 750.2590133540.

The spelling of 422312236 in words is "four hundred twenty-two million, three hundred twelve thousand, two hundred thirty-six".