316640666222 has 16 divisors (see below), whose sum is σ = 476354941200. Its totient is φ = 157856064960.

The previous prime is 316640666219. The next prime is 316640666263. The reversal of 316640666222 is 222666046613.

It is a super-2 number, since 2×316640666222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598897 + ... + 1785987.

It is an arithmetic number, because the mean of its divisors is an integer number (29772183825).

Almost surely, 2^316640666222 is an apocalyptic number.

316640666222 is a deficient number, since it is larger than the sum of its proper divisors (159714274978).

316640666222 is a wasteful number, since it uses less digits than its factorization.

316640666222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189571.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 316640666222 in words is "three hundred sixteen billion, six hundred forty million, six hundred sixty-six thousand, two hundred twenty-two".