2266566 has 8 divisors (see below), whose sum is σ = 4533144. Its totient is φ = 755520.

The previous prime is 2266549. The next prime is 2266571. The reversal of 2266566 is 6656622.

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

2266566 is an admirable number.

It is an Ulam number.

It is a congruent number.

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, 188875 + ... + 188886.

It is an arithmetic number, because the mean of its divisors is an integer number (566643).

2^2266566 is an apocalyptic number.

2266566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2266566 is a wasteful number, since it uses less digits than its factorization.

2266566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377766.

The product of its digits is 25920, while the sum is 33.

The square root of 2266566 is about 1505.5118730850. The cubic root of 2266566 is about 131.3578777481.

The spelling of 2266566 in words is "two million, two hundred sixty-six thousand, five hundred sixty-six".