2256755 has 8 divisors (see below), whose sum is σ = 2716224. Its totient is φ = 1800000.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256755 is 5576522.

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

It is not a de Polignac number, because 2256755 - 2⁴ = 2256739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (339528).

2^2256755 is an apocalyptic number.

2256755 is a deficient number, since it is larger than the sum of its proper divisors (459469).

2256755 is an equidigital number, since it uses as much as digits as its factorization.

2256755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 21000, while the sum is 32.

The square root of 2256755 is about 1502.2499791979. The cubic root of 2256755 is about 131.1680728318.

It can be divided in two parts, 22567 and 55, that added together give a palindrome (22622).

The spelling of 2256755 in words is "two million, two hundred fifty-six thousand, seven hundred fifty-five".