315224 has 32 divisors (see below), whose sum is σ = 729120. Its totient is φ = 124416.

The previous prime is 315223. The next prime is 315247. The reversal of 315224 is 422513.

315224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 512 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (22785).

2³¹⁵²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364560).

315224 is an abundant number, since it is smaller than the sum of its proper divisors (413896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315224 is a wasteful number, since it uses less digits than its factorization.

315224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 455 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 315224 is about 561.4481276129. The cubic root of 315224 is about 68.0570455564.

Adding to 315224 its reverse (422513), we get a palindrome (737737).

The spelling of 315224 in words is "three hundred fifteen thousand, two hundred twenty-four".