2216044 has 6 divisors (see below), whose sum is σ = 3878084. Its totient is φ = 1108020.

The previous prime is 2216021. The next prime is 2216047. The reversal of 2216044 is 4406122.

It is not an unprimeable number, because it can be changed into a prime (2216047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277002 + ... + 277009.

2^2216044 is an apocalyptic number.

It is an amenable number.

2216044 is a deficient number, since it is larger than the sum of its proper divisors (1662040).

2216044 is a wasteful number, since it uses less digits than its factorization.

2216044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554015 (or 554013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2216044 is about 1488.6383039543. The cubic root of 2216044 is about 130.3745411801.

The spelling of 2216044 in words is "two million, two hundred sixteen thousand, forty-four".