8222220200 has 24 divisors (see below), whose sum is σ = 19116662430. Its totient is φ = 3288888000.

The previous prime is 8222220197. The next prime is 8222220263. The reversal of 8222220200 is 20222228.

It can be written as a sum of positive squares in 3 ways, for example, as 6301501924 + 1920718276 = 79382^2 + 43826^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 20555351 + ... + 20555750.

Almost surely, 2^8222220200 is an apocalyptic number.

It is an amenable number.

8222220200 is an abundant number, since it is smaller than the sum of its proper divisors (10894442230).

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

8222220200 is a wasteful number, since it uses less digits than its factorization.

8222220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41111117 (or 41111108 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 8222220200 is about 90676.4589074805. The cubic root of 8222220200 is about 2018.3494833687.

Adding to 8222220200 its reverse (20222228), we get a palindrome (8242442428).

The spelling of 8222220200 in words is "eight billion, two hundred twenty-two million, two hundred twenty thousand, two hundred".