315445224 has 16 divisors (see below), whose sum is σ = 788613120. Its totient is φ = 105148400.

The previous prime is 315445223. The next prime is 315445231. The reversal of 315445224 is 422544513.

It is a junction number, because it is equal to n+sod(n) for n = 315445191 and 315445200.

It is not an unprimeable number, because it can be changed into a prime (315445223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6571752 + ... + 6571799.

It is an arithmetic number, because the mean of its divisors is an integer number (49288320).

Almost surely, 2^315445224 is an apocalyptic number.

It is an amenable number.

315445224 is an abundant number, since it is smaller than the sum of its proper divisors (473167896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315445224 is a wasteful number, since it uses less digits than its factorization.

315445224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143560 (or 13143556 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 315445224 is about 17760.7776856758. Note that the first 3 decimals coincide. The cubic root of 315445224 is about 680.7296263036.

Adding to 315445224 its reverse (422544513), we get a palindrome (737989737).

The spelling of 315445224 in words is "three hundred fifteen million, four hundred forty-five thousand, two hundred twenty-four".