316642244 has 6 divisors (see below), whose sum is σ = 554123934. Its totient is φ = 158321120.

The previous prime is 316642199. The next prime is 316642253. The reversal of 316642244 is 442246613.

It can be written as a sum of positive squares in only one way, i.e., 280160644 + 36481600 = 16738^2 + 6040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316642244.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39580277 + ... + 39580284.

It is an arithmetic number, because the mean of its divisors is an integer number (92353989).

Almost surely, 2^316642244 is an apocalyptic number.

It is an amenable number.

316642244 is a deficient number, since it is larger than the sum of its proper divisors (237481690).

316642244 is a wasteful number, since it uses less digits than its factorization.

316642244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79160565 (or 79160563 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 316642244 is about 17794.4441891282. Note that the first 3 decimals coincide. The cubic root of 316642244 is about 681.5895943559.

Adding to 316642244 its reverse (442246613), we get a palindrome (758888857).

The spelling of 316642244 in words is "three hundred sixteen million, six hundred forty-two thousand, two hundred forty-four".