2243133 has 28 divisors (see below), whose sum is σ = 3580668. Its totient is φ = 1399680.

The previous prime is 2243123. The next prime is 2243161. The reversal of 2243133 is 3313422.

2243133 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 2 ways, for example, as 700569 + 1542564 = 837^2 + 1242^2 .

It is not a de Polignac number, because 2243133 - 2¹⁶ = 2177597 is a prime.

It is an Ulam number.

Its product of digits (432) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243123) 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 27 ways as a sum of consecutive naturals, for example, 12303 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (127881).

2^2243133 is an apocalyptic number.

It is an amenable number.

2243133 is a deficient number, since it is larger than the sum of its proper divisors (1337535).

2243133 is an equidigital number, since it uses as much as digits as its factorization.

2243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 201 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 2243133 is about 1497.7092508227. The cubic root of 2243133 is about 130.9036254821.

Adding to 2243133 its reverse (3313422), we get a palindrome (5556555).

The spelling of 2243133 in words is "two million, two hundred forty-three thousand, one hundred thirty-three".