315664622 has 24 divisors (see below), whose sum is σ = 585971856. Its totient is φ = 124877376.

The previous prime is 315664607. The next prime is 315664631. The reversal of 315664622 is 226466513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64343 + ... + 69074.

It is an arithmetic number, because the mean of its divisors is an integer number (24415494).

Almost surely, 2^315664622 is an apocalyptic number.

315664622 is a deficient number, since it is larger than the sum of its proper divisors (270307234).

315664622 is a wasteful number, since it uses less digits than its factorization.

315664622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133452 (or 133439 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 315664622 is about 17766.9530871222. The cubic root of 315664622 is about 680.8874097529.

The spelling of 315664622 in words is "three hundred fifteen million, six hundred sixty-four thousand, six hundred twenty-two".