2243403 has 8 divisors (see below), whose sum is σ = 3323600. Its totient is φ = 1495584.

The previous prime is 2243399. The next prime is 2243419. The reversal of 2243403 is 3043422.

2243403 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 2243403 - 2² = 2243399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243453) 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 7 ways as a sum of consecutive naturals, for example, 41518 + ... + 41571.

It is an arithmetic number, because the mean of its divisors is an integer number (415450).

2^2243403 is an apocalyptic number.

2243403 is a deficient number, since it is larger than the sum of its proper divisors (1080197).

2243403 is an equidigital number, since it uses as much as digits as its factorization.

2243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83098 (or 83092 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2243403 is about 1497.7993857657. The cubic root of 2243403 is about 130.9088774460.

Adding to 2243403 its reverse (3043422), we get a palindrome (5286825).

The spelling of 2243403 in words is "two million, two hundred forty-three thousand, four hundred three".