2243212117 has 4 divisors (see below), whose sum is σ = 2243400640. Its totient is φ = 2243023596.

The previous prime is 2243212063. The next prime is 2243212129. The reversal of 2243212117 is 7112123422.

2243212117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2243212117 - 2⁷ = 2243211989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243212091 and 2243212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243212417) 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, 75117 + ... + 100642.

It is an arithmetic number, because the mean of its divisors is an integer number (560850160).

Almost surely, 2^2243212117 is an apocalyptic number.

It is an amenable number.

2243212117 is a deficient number, since it is larger than the sum of its proper divisors (188523).

2243212117 is a wasteful number, since it uses less digits than its factorization.

2243212117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188522.

The product of its digits is 1344, while the sum is 25.

The square root of 2243212117 is about 47362.5602876365. The cubic root of 2243212117 is about 1309.0516448730.

Adding to 2243212117 its reverse (7112123422), we get a palindrome (9355335539).

The spelling of 2243212117 in words is "two billion, two hundred forty-three million, two hundred twelve thousand, one hundred seventeen".