2266668 has 36 divisors (see below), whose sum is σ = 5809440. Its totient is φ = 745056.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266668 is 8666622.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

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, 2446 + ... + 3242.

2^2266668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2266668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2904720).

2266668 is an abundant number, since it is smaller than the sum of its proper divisors (3542772).

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

2266668 is a wasteful number, since it uses less digits than its factorization.

2266668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 881 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2266668 is about 1505.5457482255. The cubic root of 2266668 is about 131.3598481742.

The spelling of 2266668 in words is "two million, two hundred sixty-six thousand, six hundred sixty-eight".