316222663 has 2 divisors, whose sum is σ = 316222664. Its totient is φ = 316222662.

The previous prime is 316222651. The next prime is 316222679. The reversal of 316222663 is 366222613.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316222663 - 2⁵ = 316222631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316222693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158111331 + 158111332.

It is an arithmetic number, because the mean of its divisors is an integer number (158111332).

Almost surely, 2^316222663 is an apocalyptic number.

316222663 is a deficient number, since it is larger than the sum of its proper divisors (1).

316222663 is an equidigital number, since it uses as much as digits as its factorization.

316222663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 316222663 is about 17782.6506179478. The cubic root of 316222663 is about 681.2884043327.

The spelling of 316222663 in words is "three hundred sixteen million, two hundred twenty-two thousand, six hundred sixty-three".