6856575222 has 64 divisors (see below), whose sum is σ = 16280828928. Its totient is φ = 1884288000.

The previous prime is 6856575199. The next prime is 6856575247. The reversal of 6856575222 is 2225756586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94222 + ... + 150302.

It is an arithmetic number, because the mean of its divisors is an integer number (254387952).

Almost surely, 2^6856575222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6856575222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8140414464).

6856575222 is an abundant number, since it is smaller than the sum of its proper divisors (9424253706).

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

6856575222 is a wasteful number, since it uses less digits than its factorization.

6856575222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56205.

The product of its digits is 2016000, while the sum is 48.

The square root of 6856575222 is about 82804.4396273533. The cubic root of 6856575222 is about 1899.7760790591.

The spelling of 6856575222 in words is "six billion, eight hundred fifty-six million, five hundred seventy-five thousand, two hundred twenty-two".