2221234243 has 8 divisors (see below), whose sum is σ = 2243871968. Its totient is φ = 2198617344.

The previous prime is 2221234189. The next prime is 2221234247. The reversal of 2221234243 is 3424321222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221234243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221234247) 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, 296755 + ... + 304147.

It is an arithmetic number, because the mean of its divisors is an integer number (280483996).

Almost surely, 2^2221234243 is an apocalyptic number.

2221234243 is a deficient number, since it is larger than the sum of its proper divisors (22637725).

2221234243 is a wasteful number, since it uses less digits than its factorization.

2221234243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413.

The product of its digits is 4608, while the sum is 25.

The square root of 2221234243 is about 47129.9718120009. The cubic root of 2221234243 is about 1304.7624613283.

Adding to 2221234243 its reverse (3424321222), we get a palindrome (5645555465).

The spelling of 2221234243 in words is "two billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred forty-three".