2255705 has 16 divisors (see below), whose sum is σ = 2831760. Its totient is φ = 1723392.

The previous prime is 2255681. The next prime is 2255717. The reversal of 2255705 is 5075522.

2255705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2704 + 2253001 = 52^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255705 - 2¹⁶ = 2190169 is a prime.

It is an Ulam number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16397 + ... + 16533.

It is an arithmetic number, because the mean of its divisors is an integer number (176985).

2^2255705 is an apocalyptic number.

It is an amenable number.

2255705 is a deficient number, since it is larger than the sum of its proper divisors (576055).

2255705 is a wasteful number, since it uses less digits than its factorization.

2255705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 2255705 is about 1501.9004627471. The cubic root of 2255705 is about 131.1477268273.

The spelling of 2255705 in words is "two million, two hundred fifty-five thousand, seven hundred five".