8220173000 has 64 divisors (see below), whose sum is σ = 20714868720. Its totient is φ = 3035136000.

The previous prime is 8220172999. The next prime is 8220173041. The reversal of 8220173000 is 3710228.

It can be written as a sum of positive squares in 8 ways, for example, as 334377796 + 7885795204 = 18286^2 + 88802^2 .

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 15 ways as a sum of consecutive naturals, for example, 303161 + ... + 329160.

Almost surely, 2^8220173000 is an apocalyptic number.

It is an amenable number.

8220173000 is an abundant number, since it is smaller than the sum of its proper divisors (12494695720).

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

8220173000 is a wasteful number, since it uses less digits than its factorization.

8220173000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632355 (or 632341 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8220173000 is about 90665.1697180345. The cubic root of 8220173000 is about 2018.1819573259.

Adding to 8220173000 its reverse (3710228), we get a palindrome (8223883228).

The spelling of 8220173000 in words is "eight billion, two hundred twenty million, one hundred seventy-three thousand".