9221065056 has 384 divisors, whose sum is σ = 32359219200. Its totient is φ = 2497651200.

The previous prime is 9221065003. The next prime is 9221065093. The reversal of 9221065056 is 6505601229.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9221065056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21004485 + ... + 21004923.

It is an arithmetic number, because the mean of its divisors is an integer number (84268800).

Almost surely, 2^9221065056 is an apocalyptic number.

9221065056 is a gapful number since it is divisible by the number (96) 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 9221065056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16179609600).

9221065056 is an abundant number, since it is smaller than the sum of its proper divisors (23138154144).

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

9221065056 is a wasteful number, since it uses less digits than its factorization.

9221065056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 9221065056 is about 96026.3768763562. The cubic root of 9221065056 is about 2096.9771365147.

The spelling of 9221065056 in words is "nine billion, two hundred twenty-one million, sixty-five thousand, fifty-six".