518470228 has 24 divisors (see below), whose sum is σ = 916179264. Its totient is φ = 256713600.

The previous prime is 518470223. The next prime is 518470231. The reversal of 518470228 is 822074815.

It is a super-2 number, since 2×518470228² = 537622754644743968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518470223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380268 + ... + 381628.

It is an arithmetic number, because the mean of its divisors is an integer number (38174136).

Almost surely, 2^518470228 is an apocalyptic number.

It is an amenable number.

518470228 is a deficient number, since it is larger than the sum of its proper divisors (397709036).

518470228 is a wasteful number, since it uses less digits than its factorization.

518470228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 518470228 is about 22769.9413262309. The cubic root of 518470228 is about 803.3558138752.

The spelling of 518470228 in words is "five hundred eighteen million, four hundred seventy thousand, two hundred twenty-eight".