431222223 has 16 divisors (see below), whose sum is σ = 579914496. Its totient is φ = 285015360.

The previous prime is 431222191. The next prime is 431222261. The reversal of 431222223 is 322222134.

It is not a de Polignac number, because 431222223 - 2⁵ = 431222191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431222123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245115 + ... + 246867.

It is an arithmetic number, because the mean of its divisors is an integer number (36244656).

Almost surely, 2^431222223 is an apocalyptic number.

431222223 is a deficient number, since it is larger than the sum of its proper divisors (148692273).

431222223 is a wasteful number, since it uses less digits than its factorization.

431222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its digits is 1152, while the sum is 21.

The square root of 431222223 is about 20765.8908549573. The cubic root of 431222223 is about 755.4986825759.

Adding to 431222223 its reverse (322222134), we get a palindrome (753444357).

It can be divided in two parts, 43 and 1222223, that added together give a triangular number (1222266 = T₁₅₆₃).

The spelling of 431222223 in words is "four hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-three".