2263666 has 8 divisors (see below), whose sum is σ = 3438720. Its totient is φ = 1117428.

The previous prime is 2263643. The next prime is 2263687. The reversal of 2263666 is 6663622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7006 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (429840).

2^2263666 is an apocalyptic number.

2263666 is a deficient number, since it is larger than the sum of its proper divisors (1175054).

2263666 is a wasteful number, since it uses less digits than its factorization.

2263666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408.

The product of its digits is 15552, while the sum is 31.

The square root of 2263666 is about 1504.5484372396. The cubic root of 2263666 is about 131.3018310785.

The spelling of 2263666 in words is "two million, two hundred sixty-three thousand, six hundred sixty-six".