8539822212 has 24 divisors (see below), whose sum is σ = 20613364800. Its totient is φ = 2748448416.

The previous prime is 8539822171. The next prime is 8539822267. The reversal of 8539822212 is 2122289358.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12269512 + ... + 12270207.

It is an arithmetic number, because the mean of its divisors is an integer number (858890200).

Almost surely, 2^8539822212 is an apocalyptic number.

It is an amenable number.

8539822212 is an abundant number, since it is smaller than the sum of its proper divisors (12073542588).

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

8539822212 is a wasteful number, since it uses less digits than its factorization.

8539822212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24539755 (or 24539753 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 8539822212 is about 92411.1584820794. The cubic root of 8539822212 is about 2044.0096560780.

The spelling of 8539822212 in words is "eight billion, five hundred thirty-nine million, eight hundred twenty-two thousand, two hundred twelve".