522118 has 4 divisors (see below), whose sum is σ = 783180. Its totient is φ = 261058.

The previous prime is 522113. The next prime is 522127. The reversal of 522118 is 811225.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 522095 and 522104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522113) by changing a digit.

522118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130528 + ... + 130531.

It is an arithmetic number, because the mean of its divisors is an integer number (195795).

2⁵²²¹¹⁸ is an apocalyptic number.

522118 is a deficient number, since it is larger than the sum of its proper divisors (261062).

522118 is a wasteful number, since it uses less digits than its factorization.

522118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261061.

The product of its digits is 160, while the sum is 19.

The square root of 522118 is about 722.5773315016. The cubic root of 522118 is about 80.5235454446.

The spelling of 522118 in words is "five hundred twenty-two thousand, one hundred eighteen".