2243221234 has 24 divisors (see below), whose sum is σ = 3560274432. Its totient is φ = 1058032800.

The previous prime is 2243221231. The next prime is 2243221243. The reversal of 2243221234 is 4321223422.

It is a junction number, because it is equal to n+sod(n) for n = 2243221199 and 2243221208.

It is not an unprimeable number, because it can be changed into a prime (2243221231) 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 11 ways as a sum of consecutive naturals, for example, 240559 + ... + 249709.

It is an arithmetic number, because the mean of its divisors is an integer number (148344768).

Almost surely, 2^2243221234 is an apocalyptic number.

2243221234 is a deficient number, since it is larger than the sum of its proper divisors (1317053198).

2243221234 is an equidigital number, since it uses as much as digits as its factorization.

2243221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9322 (or 9249 counting only the distinct ones).

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

The square root of 2243221234 is about 47362.6565344471. The cubic root of 2243221234 is about 1309.0534183132.

Adding to 2243221234 its reverse (4321223422), we get a palindrome (6564444656).

The spelling of 2243221234 in words is "two billion, two hundred forty-three million, two hundred twenty-one thousand, two hundred thirty-four".