8266422528 has 432 divisors, whose sum is σ = 29730879360. Its totient is φ = 2150793216.

The previous prime is 8266422517. The next prime is 8266422539. The reversal of 8266422528 is 8252246628.

8266422528 is a `hidden beast` number, since 82 + 6 + 6 + 42 + 2 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (8266422517) and next prime (8266422539).

It is a super-2 number, since 2×8266422528² (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 47 ways as a sum of consecutive naturals, for example, 18659875 + ... + 18660317.

It is an arithmetic number, because the mean of its divisors is an integer number (68821480).

Almost surely, 2^8266422528 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 8266422528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14865439680).

8266422528 is an abundant number, since it is smaller than the sum of its proper divisors (21464456832).

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

8266422528 is a wasteful number, since it uses less digits than its factorization.

8266422528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 557 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 8266422528 is about 90919.8687196589. The cubic root of 8266422528 is about 2021.9598767526.

The spelling of 8266422528 in words is "eight billion, two hundred sixty-six million, four hundred twenty-two thousand, five hundred twenty-eight".