315005222 has 24 divisors (see below), whose sum is σ = 552562560. Its totient is φ = 134287440.

The previous prime is 315005219. The next prime is 315005261. The reversal of 315005222 is 222500513.

It is a junction number, because it is equal to n+sod(n) for n = 315005194 and 315005203.

It is a congruent 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, 10304 + ... + 27132.

It is an arithmetic number, because the mean of its divisors is an integer number (23023440).

Almost surely, 2^315005222 is an apocalyptic number.

315005222 is a deficient number, since it is larger than the sum of its proper divisors (237557338).

315005222 is a wasteful number, since it uses less digits than its factorization.

315005222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036 (or 17029 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 315005222 is about 17748.3864618731. The cubic root of 315005222 is about 680.4129714655.

Adding to 315005222 its reverse (222500513), we get a palindrome (537505735).

The spelling of 315005222 in words is "three hundred fifteen million, five thousand, two hundred twenty-two".