9922797528 has 288 divisors, whose sum is σ = 30503116800. Its totient is φ = 2681392896.

The previous prime is 9922797527. The next prime is 9922797569. The reversal of 9922797528 is 8257972299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9922797527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 78132201 + ... + 78132327.

It is an arithmetic number, because the mean of its divisors is an integer number (105913600).

Almost surely, 2^9922797528 is an apocalyptic number.

9922797528 is a gapful number since it is divisible by the number (98) 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 9922797528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15251558400).

9922797528 is an abundant number, since it is smaller than the sum of its proper divisors (20580319272).

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

9922797528 is a wasteful number, since it uses less digits than its factorization.

9922797528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 247 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The square root of 9922797528 is about 99613.2397224385. The cubic root of 9922797528 is about 2148.8761047170.

The spelling of 9922797528 in words is "nine billion, nine hundred twenty-two million, seven hundred ninety-seven thousand, five hundred twenty-eight".