2216885 has 16 divisors (see below), whose sum is σ = 3074112. Its totient is φ = 1516800.

The previous prime is 2216873. The next prime is 2216887. The reversal of 2216885 is 5886122.

It is not a de Polignac number, because 2216885 - 2⁶ = 2216821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (192132).

2^2216885 is an apocalyptic number.

It is an amenable number.

2216885 is a deficient number, since it is larger than the sum of its proper divisors (857227).

2216885 is a wasteful number, since it uses less digits than its factorization.

2216885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its digits is 7680, while the sum is 32.

The square root of 2216885 is about 1488.9207500737. The cubic root of 2216885 is about 130.3910316953.

The spelling of 2216885 in words is "two million, two hundred sixteen thousand, eight hundred eighty-five".