422794216 has 32 divisors (see below), whose sum is σ = 903941640. Its totient is φ = 183656448.

The previous prime is 422794201. The next prime is 422794271. The reversal of 422794216 is 612497224.

It can be written as a sum of positive squares in 4 ways, for example, as 421480900 + 1313316 = 20530^2 + 1146^2 .

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, 117801 + ... + 121336.

Almost surely, 2^422794216 is an apocalyptic number.

It is an amenable number.

422794216 is an abundant number, since it is smaller than the sum of its proper divisors (481147424).

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

422794216 is a wasteful number, since it uses less digits than its factorization.

422794216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239173 (or 239169 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 422794216 is about 20561.9604123731. The cubic root of 422794216 is about 750.5443254434.

The spelling of 422794216 in words is "four hundred twenty-two million, seven hundred ninety-four thousand, two hundred sixteen".