8220220228 has 24 divisors (see below), whose sum is σ = 15734154240. Its totient is φ = 3726700320.

The previous prime is 8220220213. The next prime is 8220220231.

8220220228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8220220196 and 8220220205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227043 + ... + 260746.

It is an arithmetic number, because the mean of its divisors is an integer number (655589760).

Almost surely, 2^8220220228 is an apocalyptic number.

It is an amenable number.

8220220228 is a deficient number, since it is larger than the sum of its proper divisors (7513934012).

8220220228 is a wasteful number, since it uses less digits than its factorization.

8220220228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488187 (or 488185 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 8220220228 is about 90665.4301704900. The cubic root of 8220220228 is about 2018.1858223911.

The spelling of 8220220228 in words is "eight billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-eight".