8223443228 has 144 divisors (see below), whose sum is σ = 19788114528. Its totient is φ = 2939328000.

The previous prime is 8223443213. The next prime is 8223443231.

8223443228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8223443191 and 8223443200.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5072258 + ... + 5073878.

It is an arithmetic number, because the mean of its divisors is an integer number (137417462).

Almost surely, 2^8223443228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8223443228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9894057264).

8223443228 is an abundant number, since it is smaller than the sum of its proper divisors (11564671300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8223443228 is a wasteful number, since it uses less digits than its factorization.

8223443228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1835 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 8223443228 is about 90683.2025680611. The cubic root of 8223443228 is about 2018.4495526723.

The spelling of 8223443228 in words is "eight billion, two hundred twenty-three million, four hundred forty-three thousand, two hundred twenty-eight".