8222490081520 has 320 divisors, whose sum is σ = 22814953749504. Its totient is φ = 2716386140160.

The previous prime is 8222490081479. The next prime is 8222490081521. The reversal of 8222490081520 is 251800942228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222490081521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 998719324 + ... + 998727556.

Almost surely, 2^{8222490081520} is an apocalyptic number.

8222490081520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8222490081520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11407476874752).

8222490081520 is an abundant number, since it is smaller than the sum of its proper divisors (14592463667984).

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

8222490081520 is a wasteful number, since it uses less digits than its factorization.

8222490081520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 8222490081520 in words is "eight trillion, two hundred twenty-two billion, four hundred ninety million, eighty-one thousand, five hundred twenty".