422315816 has 16 divisors (see below), whose sum is σ = 852753300. Its totient is φ = 194914944.

The previous prime is 422315809. The next prime is 422315833. The reversal of 422315816 is 618513224.

It can be written as a sum of positive squares in 2 ways, for example, as 318479716 + 103836100 = 17846^2 + 10190^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2030261 + ... + 2030468.

Almost surely, 2^422315816 is an apocalyptic number.

It is an amenable number.

422315816 is an abundant number, since it is smaller than the sum of its proper divisors (430437484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422315816 is a wasteful number, since it uses less digits than its factorization.

422315816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060748 (or 4060744 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 422315816 is about 20550.3239877137. The cubic root of 422315816 is about 750.2611333649.

The spelling of 422315816 in words is "four hundred twenty-two million, three hundred fifteen thousand, eight hundred sixteen".