2288566 has 8 divisors (see below), whose sum is σ = 3923280. Its totient is φ = 980808.

The previous prime is 2288563. The next prime is 2288581. The reversal of 2288566 is 6658822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81721 + ... + 81748.

It is an arithmetic number, because the mean of its divisors is an integer number (490410).

2^2288566 is an apocalyptic number.

2288566 is a deficient number, since it is larger than the sum of its proper divisors (1634714).

2288566 is a wasteful number, since it uses less digits than its factorization.

2288566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163478.

The product of its digits is 46080, while the sum is 37.

The square root of 2288566 is about 1512.8007139078. The cubic root of 2288566 is about 131.7815102977.

It can be divided in two parts, 22 and 88566, that added together give a palindrome (88588).

The spelling of 2288566 in words is "two million, two hundred eighty-eight thousand, five hundred sixty-six".