518226 has 8 divisors (see below), whose sum is σ = 1036464. Its totient is φ = 172740.

The previous prime is 518209. The next prime is 518233. The reversal of 518226 is 622815.

It is a sphenic number, since it is the product of 3 distinct primes.

518226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 518196 and 518205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43180 + ... + 43191.

It is an arithmetic number, because the mean of its divisors is an integer number (129558).

2⁵¹⁸²²⁶ is an apocalyptic number.

518226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518226 is a wasteful number, since it uses less digits than its factorization.

518226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86376.

The product of its digits is 960, while the sum is 24.

The square root of 518226 is about 719.8791565256. The cubic root of 518226 is about 80.3229652469.

The spelling of 518226 in words is "five hundred eighteen thousand, two hundred twenty-six".