316220 has 24 divisors (see below), whose sum is σ = 675024. Its totient is φ = 124416.

The previous prime is 316219. The next prime is 316223. The reversal of 316220 is 22613.

It is a junction number, because it is equal to n+sod(n) for n = 316195 and 316204.

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 316220.

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 7 ways as a sum of consecutive naturals, for example, 1859 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (28126).

2³¹⁶²²⁰ is an apocalyptic number.

It is an amenable number.

316220 is an abundant number, since it is smaller than the sum of its proper divisors (358804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316220 is a wasteful number, since it uses less digits than its factorization.

316220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 316220 is about 562.3344200740. The cubic root of 316220 is about 68.1286491887.

Adding to 316220 its reverse (22613), we get a palindrome (338833).

The spelling of 316220 in words is "three hundred sixteen thousand, two hundred twenty".