2243243121 has 8 divisors (see below), whose sum is σ = 3418275264. Its totient is φ = 1281853200.

The previous prime is 2243243089. The next prime is 2243243203. The reversal of 2243243121 is 1213423422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2243243121 - 2⁵ = 2243243089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243243091 and 2243243100.

It is not an unprimeable number, because it can be changed into a prime (2243244121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53410530 + ... + 53410571.

It is an arithmetic number, because the mean of its divisors is an integer number (427284408).

Almost surely, 2^2243243121 is an apocalyptic number.

2243243121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2243243121 is a deficient number, since it is larger than the sum of its proper divisors (1175032143).

2243243121 is a wasteful number, since it uses less digits than its factorization.

2243243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106821111.

The product of its digits is 2304, while the sum is 24.

The square root of 2243243121 is about 47362.8875914465. The cubic root of 2243243121 is about 1309.0576757561.

Adding to 2243243121 its reverse (1213423422), we get a palindrome (3456666543).

The spelling of 2243243121 in words is "two billion, two hundred forty-three million, two hundred forty-three thousand, one hundred twenty-one".