2218012 has 6 divisors (see below), whose sum is σ = 3881528. Its totient is φ = 1109004.

The previous prime is 2218001. The next prime is 2218037. The reversal of 2218012 is 2108122.

2218012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277248 + ... + 277255.

2^2218012 is an apocalyptic number.

It is an amenable number.

2218012 is a deficient number, since it is larger than the sum of its proper divisors (1663516).

2218012 is a wasteful number, since it uses less digits than its factorization.

2218012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554507 (or 554505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2218012 is about 1489.2991640366. The cubic root of 2218012 is about 130.4131236243.

The spelling of 2218012 in words is "two million, two hundred eighteen thousand, twelve".