8222209173272 has 16 divisors (see below), whose sum is σ = 15417702054000. Its totient is φ = 4110821958880.

The previous prime is 8222209173271. The next prime is 8222209173293. The reversal of 8222209173272 is 2723719022228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222209173271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35204804 + ... + 35437587.

It is an arithmetic number, because the mean of its divisors is an integer number (963606378375).

Almost surely, 2^{8222209173272} is an apocalyptic number.

It is an amenable number.

8222209173272 is a deficient number, since it is larger than the sum of its proper divisors (7195492880728).

8222209173272 is a wasteful number, since it uses less digits than its factorization.

8222209173272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70656946 (or 70656942 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 8222209173272 in words is "eight trillion, two hundred twenty-two billion, two hundred nine million, one hundred seventy-three thousand, two hundred seventy-two".