8221333821384 has 32 divisors (see below), whose sum is σ = 20842818143040. Its totient is φ = 2701846795200.

The previous prime is 8221333821359. The next prime is 8221333821457. The reversal of 8221333821384 is 4831283331228.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412361507 + ... + 2412364914.

It is an arithmetic number, because the mean of its divisors is an integer number (651338066970).

Almost surely, 2^{8221333821384} is an apocalyptic number.

It is an amenable number.

8221333821384 is an abundant number, since it is smaller than the sum of its proper divisors (12621484321656).

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

8221333821384 is a wasteful number, since it uses less digits than its factorization.

8221333821384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824726501 (or 4824726497 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The spelling of 8221333821384 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-three million, eight hundred twenty-one thousand, three hundred eighty-four".