513222316 has 24 divisors (see below), whose sum is σ = 954253440. Its totient is φ = 240682752.

The previous prime is 513222271. The next prime is 513222331. The reversal of 513222316 is 613222315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7045 + ... + 32803.

It is an arithmetic number, because the mean of its divisors is an integer number (39760560).

Almost surely, 2^513222316 is an apocalyptic number.

It is an amenable number.

513222316 is a deficient number, since it is larger than the sum of its proper divisors (441031124).

513222316 is a wasteful number, since it uses less digits than its factorization.

513222316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26073 (or 26071 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 513222316 is about 22654.4105198083. The cubic root of 513222316 is about 800.6361169766.

Subtracting 513222316 from its reverse (613222315), we obtain a palindrome (99999999).

The spelling of 513222316 in words is "five hundred thirteen million, two hundred twenty-two thousand, three hundred sixteen".