2255811 has 8 divisors (see below), whose sum is σ = 3017040. Its totient is φ = 1499232.

The previous prime is 2255797. The next prime is 2255821. The reversal of 2255811 is 1185522.

2255811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2255811 - 2⁹ = 2255299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2255821) 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, 201 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (377130).

2^2255811 is an apocalyptic number.

2255811 is a deficient number, since it is larger than the sum of its proper divisors (761229).

2255811 is a wasteful number, since it uses less digits than its factorization.

2255811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its digits is 800, while the sum is 24.

The square root of 2255811 is about 1501.9357509561. The cubic root of 2255811 is about 131.1497810914.

The spelling of 2255811 in words is "two million, two hundred fifty-five thousand, eight hundred eleven".