8221474931316 has 24 divisors (see below), whose sum is σ = 19209612661344. Its totient is φ = 2736752907360.

The previous prime is 8221474931311. The next prime is 8221474931317. The reversal of 8221474931316 is 6131394741228.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221474931311) 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 7 ways as a sum of consecutive naturals, for example, 467332890 + ... + 467350481.

It is an arithmetic number, because the mean of its divisors is an integer number (800400527556).

Almost surely, 2^{8221474931316} is an apocalyptic number.

It is an amenable number.

8221474931316 is an abundant number, since it is smaller than the sum of its proper divisors (10988137730028).

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

8221474931316 is a wasteful number, since it uses less digits than its factorization.

8221474931316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934684111 (or 934684109 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 8221474931316 in words is "eight trillion, two hundred twenty-one billion, four hundred seventy-four million, nine hundred thirty-one thousand, three hundred sixteen".