2182166 has 16 divisors (see below), whose sum is σ = 3818400. Its totient is φ = 934920.

The previous prime is 2182139. The next prime is 2182177. The reversal of 2182166 is 6612812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (238650).

2^2182166 is an apocalyptic number.

2182166 is a deficient number, since it is larger than the sum of its proper divisors (1636234).

2182166 is an equidigital number, since it uses as much as digits as its factorization.

2182166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3190 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 2182166 is about 1477.2156240712. The cubic root of 2182166 is about 129.7067551900.

Adding to 2182166 its reverse (6612812), we get a palindrome (8794978).

The spelling of 2182166 in words is "two million, one hundred eighty-two thousand, one hundred sixty-six".