432221316 has 12 divisors (see below), whose sum is σ = 1008516432. Its totient is φ = 144073768.

The previous prime is 432221299. The next prime is 432221341. The reversal of 432221316 is 613122234.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

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, 18009210 + ... + 18009233.

It is an arithmetic number, because the mean of its divisors is an integer number (84043036).

Almost surely, 2^432221316 is an apocalyptic number.

It is an amenable number.

432221316 is an abundant number, since it is smaller than the sum of its proper divisors (576295116).

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

432221316 is a wasteful number, since it uses less digits than its factorization.

432221316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36018450 (or 36018448 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 432221316 is about 20789.9330446252. The cubic root of 432221316 is about 756.0817008089.

The spelling of 432221316 in words is "four hundred thirty-two million, two hundred twenty-one thousand, three hundred sixteen".