2205045 has 24 divisors (see below), whose sum is σ = 4024800. Its totient is φ = 1113696.

The previous prime is 2205043. The next prime is 2205059. The reversal of 2205045 is 5405022.

2205045 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 2205045 - 2¹ = 2205043 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205043) 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 23 ways as a sum of consecutive naturals, for example, 435 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (167700).

2^2205045 is an apocalyptic number.

It is an amenable number.

2205045 is a deficient number, since it is larger than the sum of its proper divisors (1819755).

2205045 is a wasteful number, since it uses less digits than its factorization.

2205045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2205045 is about 1484.9393927026. The cubic root of 2205045 is about 130.1584852105.

The spelling of 2205045 in words is "two million, two hundred five thousand, forty-five".