It is a happy number.
2118 is nontrivially palindromic in base 13.
It is a sphenic number, since it is the product of 3 distinct primes.
2118 is an admirable number.
2118 is an undulating number in base 13.
It is a nialpdrome in base 15.
It is a congruent number.
2118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
22118 is an apocalyptic number.
2118 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.
2118 is a wasteful number, since it uses less digits than its factorization.
2118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358.
The square root of 2118 is about 46.0217339960. The cubic root of 2118 is about 12.8422755839.
The spelling of 2118 in words is "two thousand, one hundred eighteen".