2166232 has 32 divisors (see below), whose sum is σ = 4330080. Its totient is φ = 1013760.

The previous prime is 2166221. The next prime is 2166233. The reversal of 2166232 is 2326612.

It is a happy number.

2166232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2166232² = 9385122155648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11128 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (135315).

2^2166232 is an apocalyptic number.

It is an amenable number.

2166232 is a deficient number, since it is larger than the sum of its proper divisors (2163848).

2166232 is a wasteful number, since it uses less digits than its factorization.

2166232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2166232 is about 1471.8124880568. The cubic root of 2166232 is about 129.3902808932.

The spelling of 2166232 in words is "two million, one hundred sixty-six thousand, two hundred thirty-two".