2255911 has 8 divisors (see below), whose sum is σ = 2631200. Its totient is φ = 1933344.

The previous prime is 2255899. The next prime is 2255947. The reversal of 2255911 is 1195522.

It is not a de Polignac number, because 2255911 - 2⁷ = 2255783 is a prime.

It is a Duffinian number.

2255911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255971) 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, 2946 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (328900).

2^2255911 is an apocalyptic number.

2255911 is a deficient number, since it is larger than the sum of its proper divisors (375289).

2255911 is an frugal number, since it uses more digits than its factorization.

2255911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598 (or 6584 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 2255911 is about 1501.9690409592. The cubic root of 2255911 is about 131.1517190174.

The spelling of 2255911 in words is "two million, two hundred fifty-five thousand, nine hundred eleven".