315322 has 16 divisors (see below), whose sum is σ = 548352. Its totient is φ = 133200.

The previous prime is 315313. The next prime is 315349. The reversal of 315322 is 223513.

It is a junction number, because it is equal to n+sod(n) for n = 315296 and 315305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2³¹⁵³²² is an apocalyptic number.

315322 is a deficient number, since it is larger than the sum of its proper divisors (233030).

315322 is a wasteful number, since it uses less digits than its factorization.

315322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 180, while the sum is 16.

The square root of 315322 is about 561.5353951444. The cubic root of 315322 is about 68.0640975781.

Adding to 315322 its reverse (223513), we get a palindrome (538835).

Subtracting from 315322 its reverse (223513), we obtain a square (91809 = 303²).

The spelling of 315322 in words is "three hundred fifteen thousand, three hundred twenty-two".