2218316 has 12 divisors (see below), whose sum is σ = 3892560. Its totient is φ = 1106160.

The previous prime is 2218289. The next prime is 2218319. The reversal of 2218316 is 6138122.

It is a junction number, because it is equal to n+sod(n) for n = 2218291 and 2218300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (324380).

2^2218316 is an apocalyptic number.

It is an amenable number.

2218316 is a deficient number, since it is larger than the sum of its proper divisors (1674244).

2218316 is a wasteful number, since it uses less digits than its factorization.

2218316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 2218316 is about 1489.4012219681. The cubic root of 2218316 is about 130.4190814788.

The spelling of 2218316 in words is "two million, two hundred eighteen thousand, three hundred sixteen".