422332784 has 20 divisors (see below), whose sum is σ = 818671560. Its totient is φ = 211062720.

The previous prime is 422332769. The next prime is 422332811. The reversal of 422332784 is 487233224.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35282 + ... + 45710.

It is an arithmetic number, because the mean of its divisors is an integer number (40933578).

Almost surely, 2^422332784 is an apocalyptic number.

It is an amenable number.

422332784 is a deficient number, since it is larger than the sum of its proper divisors (396338776).

422332784 is a wasteful number, since it uses less digits than its factorization.

422332784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968 (or 12962 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 422332784 is about 20550.7368237735. The cubic root of 422332784 is about 750.2711813432.

The spelling of 422332784 in words is "four hundred twenty-two million, three hundred thirty-two thousand, seven hundred eighty-four".