8220000228 has 48 divisors (see below), whose sum is σ = 21410247936. Its totient is φ = 2432979360.

The previous prime is 8220000227. The next prime is 8220000289.

8220000228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8220000198 and 8220000207.

It is not an unprimeable number, because it can be changed into a prime (8220000227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718426 + ... + 729777.

It is an arithmetic number, because the mean of its divisors is an integer number (446046832).

Almost surely, 2^8220000228 is an apocalyptic number.

It is an amenable number.

8220000228 is an abundant number, since it is smaller than the sum of its proper divisors (13190247708).

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

8220000228 is a wasteful number, since it uses less digits than its factorization.

8220000228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448264 (or 1448262 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8220000228 is about 90664.2169105320. The cubic root of 8220000228 is about 2018.1678178110.

It can be divided in two parts, 8220000 and 228, that added together give a palindrome (8220228).

The spelling of 8220000228 in words is "eight billion, two hundred twenty million, two hundred twenty-eight", and thus it is an aban number.