315394228 has 12 divisors (see below), whose sum is σ = 558927040. Its totient is φ = 155700792.

The previous prime is 315394223. The next prime is 315394249. The reversal of 315394228 is 822493513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315394223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498726 + ... + 499357.

Almost surely, 2^315394228 is an apocalyptic number.

It is an amenable number.

315394228 is a deficient number, since it is larger than the sum of its proper divisors (243532812).

315394228 is a wasteful number, since it uses less digits than its factorization.

315394228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998166 (or 998164 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 315394228 is about 17759.3419923149. The cubic root of 315394228 is about 680.6929412668.

The spelling of 315394228 in words is "three hundred fifteen million, three hundred ninety-four thousand, two hundred twenty-eight".