431224 has 16 divisors (see below), whose sum is σ = 851400. Its totient is φ = 204192.

The previous prime is 431219. The next prime is 431237. The reversal of 431224 is 422134.

It is a junction number, because it is equal to n+sod(n) for n = 431198 and 431207.

It is a congruent number.

It is an unprimeable number.

431224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267 + ... + 1570.

2⁴³¹²²⁴ is an apocalyptic number.

It is an amenable number.

431224 is a deficient number, since it is larger than the sum of its proper divisors (420176).

431224 is a wasteful number, since it uses less digits than its factorization.

431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2858 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 431224 is about 656.6764804681. The cubic root of 431224 is about 75.5499720339.

Adding to 431224 its reverse (422134), we get a palindrome (853358).

The spelling of 431224 in words is "four hundred thirty-one thousand, two hundred twenty-four".