2218412 has 12 divisors (see below), whose sum is σ = 4436880. Its totient is φ = 950736.

The previous prime is 2218367. The next prime is 2218423. The reversal of 2218412 is 2148122.

It is a happy number.

2218412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2218412 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39587 + ... + 39642.

It is an arithmetic number, because the mean of its divisors is an integer number (369740).

2^2218412 is an apocalyptic number.

It is an amenable number.

2218412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218412 is a wasteful number, since it uses less digits than its factorization.

2218412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79240 (or 79238 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 2218412 is about 1489.4334493357. The cubic root of 2218412 is about 130.4209627935.

The spelling of 2218412 in words is "two million, two hundred eighteen thousand, four hundred twelve".