2243111213 has 4 divisors (see below), whose sum is σ = 2563555680. Its totient is φ = 1922666748.

The previous prime is 2243111203. The next prime is 2243111267. The reversal of 2243111213 is 3121113422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243111213 - 2⁴ = 2243111197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243111203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160222223 + ... + 160222236.

It is an arithmetic number, because the mean of its divisors is an integer number (640888920).

Almost surely, 2^2243111213 is an apocalyptic number.

It is an amenable number.

2243111213 is a deficient number, since it is larger than the sum of its proper divisors (320444467).

2243111213 is an equidigital number, since it uses as much as digits as its factorization.

2243111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320444466.

The product of its digits is 288, while the sum is 20.

The square root of 2243111213 is about 47361.4950460815. The cubic root of 2243111213 is about 1309.0320166909.

Adding to 2243111213 its reverse (3121113422), we get a palindrome (5364224635).

The spelling of 2243111213 in words is "two billion, two hundred forty-three million, one hundred eleven thousand, two hundred thirteen".