2288866 has 16 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1101600.

The previous prime is 2288861. The next prime is 2288879. The reversal of 2288866 is 6688822.

2288866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8311 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

2^2288866 is an apocalyptic number.

2288866 is a deficient number, since it is larger than the sum of its proper divisors (1275422).

2288866 is a wasteful number, since it uses less digits than its factorization.

2288866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 73728, while the sum is 40.

The square root of 2288866 is about 1512.8998644986. The cubic root of 2288866 is about 131.7872683030.

It can be divided in two parts, 22 and 88866, that added together give a palindrome (88888).

The spelling of 2288866 in words is "two million, two hundred eighty-eight thousand, eight hundred sixty-six".