2218504 has 16 divisors (see below), whose sum is σ = 4222800. Its totient is φ = 1092432.

The previous prime is 2218451. The next prime is 2218519. The reversal of 2218504 is 4058122.

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, 1534 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (263925).

2^2218504 is an apocalyptic number.

It is an amenable number.

2218504 is a deficient number, since it is larger than the sum of its proper divisors (2004296).

2218504 is a wasteful number, since it uses less digits than its factorization.

2218504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4208 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2218504 is about 1489.4643332420. The cubic root of 2218504 is about 130.4227656691.

The spelling of 2218504 in words is "two million, two hundred eighteen thousand, five hundred four".