6316444221 has 8 divisors (see below), whose sum is σ = 8431967040. Its totient is φ = 4205942112.

The previous prime is 6316444219. The next prime is 6316444241. The reversal of 6316444221 is 1224446136.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6316444221 - 2¹ = 6316444219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6316444201) by changing a digit.

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, 1252240 + ... + 1257273.

It is an arithmetic number, because the mean of its divisors is an integer number (1053995880).

Almost surely, 2^6316444221 is an apocalyptic number.

It is an amenable number.

6316444221 is a deficient number, since it is larger than the sum of its proper divisors (2115522819).

6316444221 is a wasteful number, since it uses less digits than its factorization.

6316444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510355.

The product of its digits is 27648, while the sum is 33.

The square root of 6316444221 is about 79476.0606786723. The cubic root of 6316444221 is about 1848.5202894838.

The spelling of 6316444221 in words is "six billion, three hundred sixteen million, four hundred forty-four thousand, two hundred twenty-one".