316228 has 12 divisors (see below), whose sum is σ = 603792. Its totient is φ = 143720.

The previous prime is 316223. The next prime is 316241. The reversal of 316228 is 822613.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 316199 and 316208.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316228.

It is not an unprimeable number, because it can be changed into a prime (316223) 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, 3550 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (50316).

2³¹⁶²²⁸ is an apocalyptic number.

It is an amenable number.

316228 is a deficient number, since it is larger than the sum of its proper divisors (287564).

316228 is a wasteful number, since it uses less digits than its factorization.

316228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202 (or 7200 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 316228 is about 562.3415332340. The cubic root of 316228 is about 68.1292237092.

It can be divided in two parts, 3 and 16228, that multiplied together give a palindrome (48684).

The spelling of 316228 in words is "three hundred sixteen thousand, two hundred twenty-eight".