2167216 has 20 divisors (see below), whose sum is σ = 4420600. Its totient is φ = 1026432.

The previous prime is 2167189. The next prime is 2167237. The reversal of 2167216 is 6127612.

It is an alternating number because its digits alternate between even and odd.

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, 3261 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (221030).

2^2167216 is an apocalyptic number.

It is an amenable number.

2167216 is an abundant number, since it is smaller than the sum of its proper divisors (2253384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2167216 is a wasteful number, since it uses less digits than its factorization.

2167216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156 (or 7150 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2167216 is about 1472.1467318172. The cubic root of 2167216 is about 129.4098695558.

The spelling of 2167216 in words is "two million, one hundred sixty-seven thousand, two hundred sixteen".