7221536296208 has 80 divisors (see below), whose sum is σ = 15298338718656. Its totient is φ = 3282104517120.

The previous prime is 7221536296193. The next prime is 7221536296211. The reversal of 7221536296208 is 8026926351227.

It is a self number, because there is not a number n which added to its sum of digits gives 7221536296208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39780335 + ... + 39961457.

Almost surely, 2^{7221536296208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7221536296208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7649169359328).

7221536296208 is an abundant number, since it is smaller than the sum of its proper divisors (8076802422448).

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

7221536296208 is a wasteful number, since it uses less digits than its factorization.

7221536296208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184072 (or 184066 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 7221536296208 in words is "seven trillion, two hundred twenty-one billion, five hundred thirty-six million, two hundred ninety-six thousand, two hundred eight".