8222775880 has 64 divisors (see below), whose sum is σ = 20267884800. Its totient is φ = 2977551360.

The previous prime is 8222775871. The next prime is 8222775907. The reversal of 8222775880 is 885772228.

It is a super-2 number, since 2×8222775880² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66064 + ... + 144256.

It is an arithmetic number, because the mean of its divisors is an integer number (316685700).

Almost surely, 2^8222775880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8222775880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10133942400).

8222775880 is an abundant number, since it is smaller than the sum of its proper divisors (12045108920).

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

8222775880 is a wasteful number, since it uses less digits than its factorization.

8222775880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78454 (or 78450 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 8222775880 is about 90679.5229365484. The cubic root of 8222775880 is about 2018.3949508600.

The spelling of 8222775880 in words is "eight billion, two hundred twenty-two million, seven hundred seventy-five thousand, eight hundred eighty".