8221856202 has 24 divisors (see below), whose sum is σ = 20358882336. Its totient is φ = 2349101736.

The previous prime is 8221856179. The next prime is 8221856221. The reversal of 8221856202 is 2026581228.

8221856202 is a `hidden beast` number, since 8 + 2 + 21 + 8 + 5 + 620 + 2 = 666.

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 11 ways as a sum of consecutive naturals, for example, 32626288 + ... + 32626539.

It is an arithmetic number, because the mean of its divisors is an integer number (848286764).

Almost surely, 2^8221856202 is an apocalyptic number.

8221856202 is an abundant number, since it is smaller than the sum of its proper divisors (12137026134).

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

8221856202 is a wasteful number, since it uses less digits than its factorization.

8221856202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65252842 (or 65252839 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8221856202 is about 90674.4517601292. The cubic root of 8221856202 is about 2018.3196987931.

The spelling of 8221856202 in words is "eight billion, two hundred twenty-one million, eight hundred fifty-six thousand, two hundred two".