2266663 has 8 divisors (see below), whose sum is σ = 2606240. Its totient is φ = 1931040.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266663 is 3666622.

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

It is a cyclic number.

It is not a de Polignac number, because 2266663 - 2⁵ = 2266631 is a prime.

It is a super-2 number, since 2×2266663² = 10275522311138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (325780).

2^2266663 is an apocalyptic number.

2266663 is a deficient number, since it is larger than the sum of its proper divisors (339577).

2266663 is a wasteful number, since it uses less digits than its factorization.

2266663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977.

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

The square root of 2266663 is about 1505.5440876972. The cubic root of 2266663 is about 131.3597515861.

It can be divided in two parts, 226 and 6663, that added together give a square (6889 = 83²).

The spelling of 2266663 in words is "two million, two hundred sixty-six thousand, six hundred sixty-three".