315922 has 8 divisors (see below), whose sum is σ = 477756. Its totient is φ = 156672.

The previous prime is 315907. The next prime is 315937. The reversal of 315922 is 229513.

It is an interprime number because it is at equal distance from previous prime (315907) and next prime (315937).

It can be written as a sum of positive squares in 2 ways, for example, as 303601 + 12321 = 551^2 + 111^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 315893 and 315902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315922.

It is an unprimeable number.

315922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303 + ... + 850.

2³¹⁵⁹²² is an apocalyptic number.

315922 is a deficient number, since it is larger than the sum of its proper divisors (161834).

315922 is a wasteful number, since it uses less digits than its factorization.

315922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its digits is 540, while the sum is 22.

The square root of 315922 is about 562.0693907339. The cubic root of 315922 is about 68.1072413942.

The spelling of 315922 in words is "three hundred fifteen thousand, nine hundred twenty-two".