108218 has 8 divisors (see below), whose sum is σ = 177120. Its totient is φ = 49180.

The previous prime is 108217. The next prime is 108223. The reversal of 108218 is 812801.

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

It is a super-2 number, since 2×108218² = 23422271048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108218.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 108218.

It is not an unprimeable number, because it can be changed into a prime (108211) 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, 2438 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (22140).

2¹⁰⁸²¹⁸ is an apocalyptic number.

108218 is a deficient number, since it is larger than the sum of its proper divisors (68902).

108218 is a wasteful number, since it uses less digits than its factorization.

108218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 108218 is about 328.9650437357. The cubic root of 108218 is about 47.6540520083.

It can be divided in two parts, 10821 and 8, that multiplied together give a palindrome (86568).

The spelling of 108218 in words is "one hundred eight thousand, two hundred eighteen".