6442328226 has 16 divisors (see below), whose sum is σ = 12889441728. Its totient is φ = 2146645200.

The previous prime is 6442328201. The next prime is 6442328281. The reversal of 6442328226 is 6228232446.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181765 + ... + 214296.

It is an arithmetic number, because the mean of its divisors is an integer number (805590108).

Almost surely, 2^6442328226 is an apocalyptic number.

6442328226 is an abundant number, since it is smaller than the sum of its proper divisors (6447113502).

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

6442328226 is a wasteful number, since it uses less digits than its factorization.

6442328226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398777.

The product of its digits is 221184, while the sum is 39.

The square root of 6442328226 is about 80264.1154314928. The cubic root of 6442328226 is about 1860.7196723694.

The spelling of 6442328226 in words is "six billion, four hundred forty-two million, three hundred twenty-eight thousand, two hundred twenty-six".