422944216 has 16 divisors (see below), whose sum is σ = 811463400. Its totient is φ = 206553984.

The previous prime is 422944213. The next prime is 422944271. The reversal of 422944216 is 612449224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422944213) 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, 614401 + ... + 615088.

Almost surely, 2^422944216 is an apocalyptic number.

It is an amenable number.

422944216 is a deficient number, since it is larger than the sum of its proper divisors (388519184).

422944216 is a wasteful number, since it uses less digits than its factorization.

422944216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229538 (or 1229534 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 422944216 is about 20565.6076010411. The cubic root of 422944216 is about 750.6330749526.

The spelling of 422944216 in words is "four hundred twenty-two million, nine hundred forty-four thousand, two hundred sixteen".