8222578700 has 288 divisors, whose sum is σ = 23308508160. Its totient is φ = 2449612800.

The previous prime is 8222578699. The next prime is 8222578739. The reversal of 8222578700 is 78752228.

It is a happy number.

It is a super-2 number, since 2×8222578700² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9269657 + ... + 9270543.

It is an arithmetic number, because the mean of its divisors is an integer number (80932320).

Almost surely, 2^8222578700 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 8222578700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11654254080).

8222578700 is an abundant number, since it is smaller than the sum of its proper divisors (15085929460).

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

8222578700 is a wasteful number, since it uses less digits than its factorization.

8222578700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 8222578700 is about 90678.4356944913. The cubic root of 8222578700 is about 2018.3788172046.

The spelling of 8222578700 in words is "eight billion, two hundred twenty-two million, five hundred seventy-eight thousand, seven hundred".