316722 has 16 divisors (see below), whose sum is σ = 724032. Its totient is φ = 90480.

The previous prime is 316717. The next prime is 316753. The reversal of 316722 is 227613.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316722.

It is an unprimeable number.

316722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3729 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (45252).

2³¹⁶⁷²² is an apocalyptic number.

316722 is an abundant number, since it is smaller than the sum of its proper divisors (407310).

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

316722 is a wasteful number, since it uses less digits than its factorization.

316722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553.

The product of its digits is 504, while the sum is 21.

The square root of 316722 is about 562.7805966804. The cubic root of 316722 is about 68.1646815923.

The spelling of 316722 in words is "three hundred sixteen thousand, seven hundred twenty-two".