8221745271352 has 64 divisors (see below), whose sum is σ = 15984328298400. Its totient is φ = 3961716879360.

The previous prime is 8221745271349. The next prime is 8221745271367. The reversal of 8221745271352 is 2531725471228.

It is a super-2 number, since 2×8221745271352² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8221745271296 and 8221745271305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236531958 + ... + 236566714.

Almost surely, 2^{8221745271352} is an apocalyptic number.

8221745271352 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8221745271352 is a deficient number, since it is larger than the sum of its proper divisors (7762583027048).

8221745271352 is a wasteful number, since it uses less digits than its factorization.

8221745271352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43576 (or 43572 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 49.

The spelling of 8221745271352 in words is "eight trillion, two hundred twenty-one billion, seven hundred forty-five million, two hundred seventy-one thousand, three hundred fifty-two".