315270922 has 4 divisors (see below), whose sum is σ = 472906386. Its totient is φ = 157635460.

The previous prime is 315270889. The next prime is 315270929. The reversal of 315270922 is 229072513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 303839761 + 11431161 = 17431^2 + 3381^2 .

It is not an unprimeable number, because it can be changed into a prime (315270929) by changing a digit.

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 as a sum of consecutive naturals, namely, 78817729 + ... + 78817732.

Almost surely, 2^315270922 is an apocalyptic number.

315270922 is a deficient number, since it is larger than the sum of its proper divisors (157635464).

315270922 is a wasteful number, since it uses less digits than its factorization.

315270922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157635463.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 315270922 is about 17755.8700716129. The cubic root of 315270922 is about 680.6042221793.

The spelling of 315270922 in words is "three hundred fifteen million, two hundred seventy thousand, nine hundred twenty-two".