2182 has 4 divisors (see below), whose sum is σ = 3276.
Its totient is φ = 1090.
The previous prime is 2179. The next prime is 2203. The reversal of 2182 is 2812.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×21822 = 9522248, which contains 22 as substring.
It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a nialpdrome in base 3, base 13 and base 16.
It is a zygodrome in base 3.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544 + ... + 547.
It is an arithmetic number, because the mean of its divisors is an integer number (819).
2182 is a deficient number, since it is larger than the sum of its proper divisors (1094).
2182 is a wasteful number, since it uses less digits than its factorization.
2182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093.
The product of its digits is 32, while the sum is 13.
The square root of 2182 is about 46.7118828565.
The cubic root of 2182 is about 12.9703466124.
Adding to 2182 its reverse (2812), we get a palindrome (4994).
Subtracting 2182 from its reverse (2812), we obtain a triangular number (630 = T35).
The spelling of 2182 in words is "two thousand, one hundred eighty-two".