2243221203 has 4 divisors (see below), whose sum is σ = 2990961608. Its totient is φ = 1495480800.

The previous prime is 2243221177. The next prime is 2243221207. The reversal of 2243221203 is 3021223422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2243221203 - 2⁹ = 2243220691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243221203.

It is not an unprimeable number, because it can be changed into a prime (2243221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373870198 + ... + 373870203.

It is an arithmetic number, because the mean of its divisors is an integer number (747740402).

Almost surely, 2^2243221203 is an apocalyptic number.

2243221203 is a deficient number, since it is larger than the sum of its proper divisors (747740405).

2243221203 is an equidigital number, since it uses as much as digits as its factorization.

2243221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747740404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2243221203 is about 47362.6562071850. The cubic root of 2243221203 is about 1309.0534122831.

Adding to 2243221203 its reverse (3021223422), we get a palindrome (5264444625).

It can be divided in two parts, 2243 and 221203, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 2243221203 in words is "two billion, two hundred forty-three million, two hundred twenty-one thousand, two hundred three".