313228 has 6 divisors (see below), whose sum is σ = 548156. Its totient is φ = 156612.

The previous prime is 313219. The next prime is 313241. The reversal of 313228 is 822313.

It is a happy number.

It is a super-2 number, since 2×313228² = 196223559968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39150 + ... + 39157.

2³¹³²²⁸ is an apocalyptic number.

It is an amenable number.

313228 is a deficient number, since it is larger than the sum of its proper divisors (234928).

313228 is a wasteful number, since it uses less digits than its factorization.

313228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78311 (or 78309 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 313228 is about 559.6677585854. The cubic root of 313228 is about 67.9130954416.

It can be divided in two parts, 3132 and 28, that added together give a triangular number (3160 = T₇₉).

The spelling of 313228 in words is "three hundred thirteen thousand, two hundred twenty-eight".