2216266 has 24 divisors (see below), whose sum is σ = 3689280. Its totient is φ = 997776.

The previous prime is 2216237. The next prime is 2216281. The reversal of 2216266 is 6626122.

It is a self number, because there is not a number n which added to its sum of digits gives 2216266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26661 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (153720).

2^2216266 is an apocalyptic number.

2216266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2216266 is a deficient number, since it is larger than the sum of its proper divisors (1473014).

2216266 is a wasteful number, since it uses less digits than its factorization.

2216266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2216266 is about 1488.7128668753. The cubic root of 2216266 is about 130.3788946108.

The spelling of 2216266 in words is "two million, two hundred sixteen thousand, two hundred sixty-six".