2203305 has 16 divisors (see below), whose sum is σ = 3796800. Its totient is φ = 1084608.

The previous prime is 2203303. The next prime is 2203337. The reversal of 2203305 is 5033022.

2203305 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 2203305 - 2¹ = 2203303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a d-powerful number, because it can be written as 2³ + 2¹⁹ + 0 + 3⁸ + 3¹³ + 0 + 5⁷ .

2203305 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203301) 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 15 ways as a sum of consecutive naturals, for example, 5455 + ... + 5844.

It is an arithmetic number, because the mean of its divisors is an integer number (237300).

2^2203305 is an apocalyptic number.

It is an amenable number.

2203305 is a deficient number, since it is larger than the sum of its proper divisors (1593495).

2203305 is a wasteful number, since it uses less digits than its factorization.

2203305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 2203305 is about 1484.3533945796. The cubic root of 2203305 is about 130.1242402009.

Adding to 2203305 its reverse (5033022), we get a palindrome (7236327).

The spelling of 2203305 in words is "two million, two hundred three thousand, three hundred five".