8221333808652 has 48 divisors (see below), whose sum is σ = 19472580879360. Its totient is φ = 2699105188032.

The previous prime is 8221333808599. The next prime is 8221333808659. The reversal of 8221333808652 is 2568083331228.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8221333808595 and 8221333808604.

It is not an unprimeable number, because it can be changed into a prime (8221333808659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4157349 + ... + 5807427.

It is an arithmetic number, because the mean of its divisors is an integer number (405678768320).

Almost surely, 2^{8221333808652} is an apocalyptic number.

It is an amenable number.

8221333808652 is an abundant number, since it is smaller than the sum of its proper divisors (11251247070708).

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

8221333808652 is a wasteful number, since it uses less digits than its factorization.

8221333808652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656350 (or 1656348 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 8221333808652 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-three million, eight hundred eight thousand, six hundred fifty-two".