315422 has 8 divisors (see below), whose sum is σ = 493776. Its totient is φ = 150832.

The previous prime is 315421. The next prime is 315437. The reversal of 315422 is 224513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 315422.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315422.

It is not an unprimeable number, because it can be changed into a prime (315421) 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, 3383 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (61722).

2³¹⁵⁴²² is an apocalyptic number.

315422 is a deficient number, since it is larger than the sum of its proper divisors (178354).

315422 is a wasteful number, since it uses less digits than its factorization.

315422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882.

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

The square root of 315422 is about 561.6244296681. The cubic root of 315422 is about 68.0712920125.

Adding to 315422 its reverse (224513), we get a palindrome (539935).

Subtracting from 315422 its reverse (224513), we obtain a palindrome (90909).

It can be divided in two parts, 315 and 422, that added together give a palindrome (737).

The spelling of 315422 in words is "three hundred fifteen thousand, four hundred twenty-two".