8253222066 has 72 divisors (see below), whose sum is σ = 18737409600. Its totient is φ = 2625253488.

The previous prime is 8253222053. The next prime is 8253222077. The reversal of 8253222066 is 6602223528.

It is a self number, because there is not a number n which added to its sum of digits gives 8253222066.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5702955 + ... + 5704401.

It is an arithmetic number, because the mean of its divisors is an integer number (260241800).

Almost surely, 2^8253222066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8253222066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9368704800).

8253222066 is an abundant number, since it is smaller than the sum of its proper divisors (10484187534).

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

8253222066 is a wasteful number, since it uses less digits than its factorization.

8253222066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 8253222066 is about 90847.2457810362. The cubic root of 8253222066 is about 2020.8830294482.

The spelling of 8253222066 in words is "eight billion, two hundred fifty-three million, two hundred twenty-two thousand, sixty-six".