6689445222 has 16 divisors (see below), whose sum is σ = 13578576192. Its totient is φ = 2196534120.

The previous prime is 6689445173. The next prime is 6689445223. The reversal of 6689445222 is 2225449866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689445223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8319804 + ... + 8320607.

It is an arithmetic number, because the mean of its divisors is an integer number (848661012).

Almost surely, 2^6689445222 is an apocalyptic number.

6689445222 is an abundant number, since it is smaller than the sum of its proper divisors (6889130970).

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

6689445222 is a wasteful number, since it uses less digits than its factorization.

6689445222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16640483.

The product of its digits is 1658880, while the sum is 48.

The square root of 6689445222 is about 81789.0287385784. The cubic root of 6689445222 is about 1884.2131651692.

The spelling of 6689445222 in words is "six billion, six hundred eighty-nine million, four hundred forty-five thousand, two hundred twenty-two".