2255931 has 10 divisors (see below), whose sum is σ = 3370092. Its totient is φ = 1503900.

The previous prime is 2255899. The next prime is 2255947. The reversal of 2255931 is 1395522.

2255931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2255931 - 2⁵ = 2255899 is a prime.

It is a super-2 number, since 2×2255931² = 10178449353522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2255895 and 2255904.

It is not an unprimeable number, because it can be changed into a prime (2255971) 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 9 ways as a sum of consecutive naturals, for example, 13845 + ... + 14006.

2^2255931 is an apocalyptic number.

2255931 is a deficient number, since it is larger than the sum of its proper divisors (1114161).

2255931 is an equidigital number, since it uses as much as digits as its factorization.

2255931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27863 (or 27854 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2255931 is about 1501.9756988713. The cubic root of 2255931 is about 131.1521065958.

The spelling of 2255931 in words is "two million, two hundred fifty-five thousand, nine hundred thirty-one".