2202805 has 16 divisors (see below), whose sum is σ = 2916288. Its totient is φ = 1597200.

The previous prime is 2202799. The next prime is 2202817. The reversal of 2202805 is 5082022.

2202805 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 2202805 - 2³ = 2202797 is a prime.

It is a Duffinian number.

It is a congruent 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, 6490 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (182268).

2^2202805 is an apocalyptic number.

It is an amenable number.

2202805 is a deficient number, since it is larger than the sum of its proper divisors (713483).

2202805 is an equidigital number, since it uses as much as digits as its factorization.

2202805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2202805 is about 1484.1849615193. The cubic root of 2202805 is about 130.1143963463.

Adding to 2202805 its reverse (5082022), we get a palindrome (7284827).

It can be divided in two parts, 220 and 2805, that added together give a square (3025 = 55²).

The spelling of 2202805 in words is "two million, two hundred two thousand, eight hundred five".