2218264 has 16 divisors (see below), whose sum is σ = 4261320. Its totient is φ = 1081920.

The previous prime is 2218219. The next prime is 2218277. The reversal of 2218264 is 4628122.

It is a happy number.

It is a congruent number.

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, 3054 + ... + 3709.

2^2218264 is an apocalyptic number.

It is an amenable number.

2218264 is a deficient number, since it is larger than the sum of its proper divisors (2043056).

2218264 is a wasteful number, since it uses less digits than its factorization.

2218264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810 (or 6806 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2218264 is about 1489.3837651861. The cubic root of 2218264 is about 130.4180624107.

The spelling of 2218264 in words is "two million, two hundred eighteen thousand, two hundred sixty-four".