2256668 has 24 divisors (see below), whose sum is σ = 4341120. Its totient is φ = 1021680.

The previous prime is 2256637. The next prime is 2256673. The reversal of 2256668 is 8666522.

2256668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 1103 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (180880).

2^2256668 is an apocalyptic number.

It is an amenable number.

2256668 is a deficient number, since it is larger than the sum of its proper divisors (2084452).

2256668 is a wasteful number, since it uses less digits than its factorization.

2256668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1335 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2256668 is about 1502.2210223532. The cubic root of 2256668 is about 131.1663872598.

The spelling of 2256668 in words is "two million, two hundred fifty-six thousand, six hundred sixty-eight".