432313221 has 16 divisors (see below), whose sum is σ = 602144640. Its totient is φ = 275373120.

The previous prime is 432313199. The next prime is 432313241. The reversal of 432313221 is 122313234.

It is not a de Polignac number, because 432313221 - 2¹⁰ = 432312197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432313241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70831 + ... + 76691.

It is an arithmetic number, because the mean of its divisors is an integer number (37634040).

Almost surely, 2^432313221 is an apocalyptic number.

It is an amenable number.

432313221 is a deficient number, since it is larger than the sum of its proper divisors (169831419).

432313221 is a wasteful number, since it uses less digits than its factorization.

432313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956.

The product of its digits is 864, while the sum is 21.

The square root of 432313221 is about 20792.1432517189. The cubic root of 432313221 is about 756.1352866005.

Adding to 432313221 its reverse (122313234), we get a palindrome (554626455).

The spelling of 432313221 in words is "four hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".