8221333808634 has 8 divisors (see below), whose sum is σ = 16442667617280. Its totient is φ = 2740444602876.

The previous prime is 8221333808599. The next prime is 8221333808659. The reversal of 8221333808634 is 4368083331228.

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

8221333808634 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685111150714 + ... + 685111150725.

It is an arithmetic number, because the mean of its divisors is an integer number (2055333452160).

Almost surely, 2^{8221333808634} is an apocalyptic number.

8221333808634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8221333808634 is a wasteful number, since it uses less digits than its factorization.

8221333808634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370222301444.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 8221333808634 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-three million, eight hundred eight thousand, six hundred thirty-four".