2122166 has 8 divisors (see below), whose sum is σ = 3216360. Its totient is φ = 1050048.

The previous prime is 2122163. The next prime is 2122181. The reversal of 2122166 is 6612212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (402045).

2^2122166 is an apocalyptic number.

2122166 is a deficient number, since it is larger than the sum of its proper divisors (1094194).

2122166 is a wasteful number, since it uses less digits than its factorization.

2122166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038.

The product of its digits is 288, while the sum is 20.

The square root of 2122166 is about 1456.7655954202. The cubic root of 2122166 is about 128.5069010712.

Adding to 2122166 its reverse (6612212), we get a palindrome (8734378).

The spelling of 2122166 in words is "two million, one hundred twenty-two thousand, one hundred sixty-six".