2256886 has 16 divisors (see below), whose sum is σ = 3674160. Its totient is φ = 1035520.

The previous prime is 2256857. The next prime is 2256887. The reversal of 2256886 is 6886522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256887) 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, 585 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (229635).

2^2256886 is an apocalyptic number.

2256886 is a deficient number, since it is larger than the sum of its proper divisors (1417274).

2256886 is a wasteful number, since it uses less digits than its factorization.

2256886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

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

The square root of 2256886 is about 1502.2935798305. The cubic root of 2256886 is about 131.1706107953.

The spelling of 2256886 in words is "two million, two hundred fifty-six thousand, eight hundred eighty-six".