2216937 has 16 divisors (see below), whose sum is σ = 3068928. Its totient is φ = 1422720.

The previous prime is 2216917. The next prime is 2216941. The reversal of 2216937 is 7396122.

It is not a de Polignac number, because 2216937 - 2⁶ = 2216873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216917) 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, 11512 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (191808).

2^2216937 is an apocalyptic number.

It is an amenable number.

2216937 is a deficient number, since it is larger than the sum of its proper divisors (851991).

2216937 is a wasteful number, since it uses less digits than its factorization.

2216937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its digits is 4536, while the sum is 30.

The square root of 2216937 is about 1488.9382122842. The cubic root of 2216937 is about 130.3920511860.

The spelling of 2216937 in words is "two million, two hundred sixteen thousand, nine hundred thirty-seven".