315664227 has 12 divisors (see below), whose sum is σ = 470668224. Its totient is φ = 203654160.

The previous prime is 315664199. The next prime is 315664241. The reversal of 315664227 is 722466513.

315664227 is a `hidden beast` number, since 3 + 1 + 5 + 6 + 642 + 2 + 7 = 666.

It is not a de Polignac number, because 315664227 - 2¹⁰ = 315663203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315664191 and 315664200.

It is not an unprimeable number, because it can be changed into a prime (315662227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565428 + ... + 565985.

It is an arithmetic number, because the mean of its divisors is an integer number (39222352).

Almost surely, 2^315664227 is an apocalyptic number.

315664227 is a deficient number, since it is larger than the sum of its proper divisors (155003997).

315664227 is a wasteful number, since it uses less digits than its factorization.

315664227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131450 (or 1131447 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 315664227 is about 17766.9419709752. The cubic root of 315664227 is about 680.8871257482.

The spelling of 315664227 in words is "three hundred fifteen million, six hundred sixty-four thousand, two hundred twenty-seven".