315222130 has 16 divisors (see below), whose sum is σ = 592069824. Its totient is φ = 120606640.

The previous prime is 315222113. The next prime is 315222137. The reversal of 315222130 is 31222513.

It is a junction number, because it is equal to n+sod(n) for n = 315222098 and 315222107.

It is not an unprimeable number, because it can be changed into a prime (315222137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685036 + ... + 685495.

It is an arithmetic number, because the mean of its divisors is an integer number (37004364).

Almost surely, 2^315222130 is an apocalyptic number.

315222130 is a deficient number, since it is larger than the sum of its proper divisors (276847694).

315222130 is a wasteful number, since it uses less digits than its factorization.

315222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370561.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315222130 is about 17754.4960502967. The cubic root of 315222130 is about 680.5691097811.

Adding to 315222130 its reverse (31222513), we get a palindrome (346444643).

The spelling of 315222130 in words is "three hundred fifteen million, two hundred twenty-two thousand, one hundred thirty".