6688822244 has 144 divisors (see below), whose sum is σ = 14430931200. Its totient is φ = 2679505920.

The previous prime is 6688822241. The next prime is 6688822279. The reversal of 6688822244 is 4422288866.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6688822192 and 6688822201.

It is not an unprimeable number, because it can be changed into a prime (6688822241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84668597 + ... + 84668675.

It is an arithmetic number, because the mean of its divisors is an integer number (100214800).

Almost surely, 2^6688822244 is an apocalyptic number.

It is an amenable number.

6688822244 is an abundant number, since it is smaller than the sum of its proper divisors (7742108956).

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

6688822244 is a wasteful number, since it uses less digits than its factorization.

6688822244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 201 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 50.

The square root of 6688822244 is about 81785.2202051202. The cubic root of 6688822244 is about 1884.1546720381.

The spelling of 6688822244 in words is "six billion, six hundred eighty-eight million, eight hundred twenty-two thousand, two hundred forty-four".