2205885 has 32 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1030400.

The previous prime is 2205883. The next prime is 2205887. The reversal of 2205885 is 5885022.

2205885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2205883) and next prime (2205887).

It is not a de Polignac number, because 2205885 - 2¹ = 2205883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205883) 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 31 ways as a sum of consecutive naturals, for example, 4555 + ... + 5015.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^2205885 is an apocalyptic number.

It is an amenable number.

2205885 is a deficient number, since it is larger than the sum of its proper divisors (1785795).

2205885 is a wasteful number, since it uses less digits than its factorization.

2205885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2205885 is about 1485.2222055975. Note that the first 4 decimals coincide. The cubic root of 2205885 is about 130.1750108365.

It can be divided in two parts, 220 and 5885, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 2205885 in words is "two million, two hundred five thousand, eight hundred eighty-five".