422216432 has 30 divisors (see below), whose sum is σ = 899176824. Its totient is φ = 191915680.

The previous prime is 422216413. The next prime is 422216447. The reversal of 422216432 is 234612224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107108 + ... + 110979.

Almost surely, 2^422216432 is an apocalyptic number.

It is an amenable number.

422216432 is an abundant number, since it is smaller than the sum of its proper divisors (476960392).

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

422216432 is a wasteful number, since it uses less digits than its factorization.

422216432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218117 (or 218100 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 422216432 is about 20547.9057813686. The cubic root of 422216432 is about 750.2022755153.

Adding to 422216432 its reverse (234612224), we get a palindrome (656828656).

The spelling of 422216432 in words is "four hundred twenty-two million, two hundred sixteen thousand, four hundred thirty-two".