315140722 has 24 divisors (see below), whose sum is σ = 523798704. Its totient is φ = 142060464.

The previous prime is 315140663. The next prime is 315140741. The reversal of 315140722 is 227041513.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3693 + ... + 25375.

It is an arithmetic number, because the mean of its divisors is an integer number (21824946).

Almost surely, 2^315140722 is an apocalyptic number.

315140722 is a deficient number, since it is larger than the sum of its proper divisors (208657982).

315140722 is a wasteful number, since it uses less digits than its factorization.

315140722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21754 (or 21741 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 315140722 is about 17752.2032998724. The cubic root of 315140722 is about 680.5105177228.

The spelling of 315140722 in words is "three hundred fifteen million, one hundred forty thousand, seven hundred twenty-two".