2182156 has 12 divisors (see below), whose sum is σ = 3833368. Its totient is φ = 1086912.

The previous prime is 2182139. The next prime is 2182177. The reversal of 2182156 is 6512812.

It is a self number, because there is not a number n which added to its sum of digits gives 2182156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340 + ... + 2116.

2^2182156 is an apocalyptic number.

It is an amenable number.

2182156 is a deficient number, since it is larger than the sum of its proper divisors (1651212).

2182156 is a wasteful number, since it uses less digits than its factorization.

2182156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2086 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 2182156 is about 1477.2122393211. The cubic root of 2182156 is about 129.7065570582.

Adding to 2182156 its reverse (6512812), we get a palindrome (8694968).

The spelling of 2182156 in words is "two million, one hundred eighty-two thousand, one hundred fifty-six".