315227 has 4 divisors (see below), whose sum is σ = 343896. Its totient is φ = 286560.

The previous prime is 315223. The next prime is 315247. The reversal of 315227 is 722513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315227 - 2² = 315223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315199 and 315208.

It is not an unprimeable number, because it can be changed into a prime (315223) 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, 14318 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (85974).

2³¹⁵²²⁷ is an apocalyptic number.

315227 is a deficient number, since it is larger than the sum of its proper divisors (28669).

315227 is a wasteful number, since it uses less digits than its factorization.

315227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668.

The product of its digits is 420, while the sum is 20.

The square root of 315227 is about 561.4507992692. The cubic root of 315227 is about 68.0572614563.

The spelling of 315227 in words is "three hundred fifteen thousand, two hundred twenty-seven".