304224231 has 24 divisors (see below), whose sum is σ = 433199104. Its totient is φ = 189866880.

The previous prime is 304224149. The next prime is 304224247. The reversal of 304224231 is 132422403.

It is not a de Polignac number, because 304224231 - 2¹¹ = 304222183 is a prime.

It is a super-2 number, since 2×304224231² = 185104765455082722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304224198 and 304224207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304224251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182106 + ... + 183768.

Almost surely, 2^304224231 is an apocalyptic number.

304224231 is a deficient number, since it is larger than the sum of its proper divisors (128974873).

304224231 is a wasteful number, since it uses less digits than its factorization.

304224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1894 counting only the distinct ones).

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

The square root of 304224231 is about 17442.0248537835. The cubic root of 304224231 is about 672.5603607094.

Adding to 304224231 its reverse (132422403), we get a palindrome (436646634).

The spelling of 304224231 in words is "three hundred four million, two hundred twenty-four thousand, two hundred thirty-one".