2216264 has 16 divisors (see below), whose sum is σ = 4171500. Its totient is φ = 1103872.

The previous prime is 2216237. The next prime is 2216281. The reversal of 2216264 is 4626122.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 136900 = 1442^2 + 370^2 .

It is a super-2 number, since 2×2216264² = 9823652235392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284 + ... + 3900.

2^2216264 is an apocalyptic number.

It is an amenable number.

2216264 is a deficient number, since it is larger than the sum of its proper divisors (1955236).

2216264 is a wasteful number, since it uses less digits than its factorization.

2216264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2216264 is about 1488.7121951539. The cubic root of 2216264 is about 130.3788553920.

The spelling of 2216264 in words is "two million, two hundred sixteen thousand, two hundred sixty-four".