8022195666 has 64 divisors (see below), whose sum is σ = 18041184000. Its totient is φ = 2642105088.

The previous prime is 8022195653. The next prime is 8022195667. The reversal of 8022195666 is 6665912208.

It is not an unprimeable number, because it can be changed into a prime (8022195667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2127715 + ... + 2131481.

It is an arithmetic number, because the mean of its divisors is an integer number (281893500).

Almost surely, 2^8022195666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8022195666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9020592000).

8022195666 is an abundant number, since it is smaller than the sum of its proper divisors (10018988334).

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

8022195666 is a wasteful number, since it uses less digits than its factorization.

8022195666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8022195666 is about 89566.7107021353. The cubic root of 8022195666 is about 2001.8479308832.

The spelling of 8022195666 in words is "eight billion, twenty-two million, one hundred ninety-five thousand, six hundred sixty-six".