9922815002500 has 75 divisors (see below), whose sum is σ = 21786008694835. Its totient is φ = 3953312750000.

The previous prime is 9922815002473. The next prime is 9922815002531. The reversal of 9922815002500 is 52005182299.

The square root of 9922815002500 is 3150050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 777948696196 + 9144866306304 = 882014^2 + 3024048^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=1255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 39533127375 + ... + 39533127625.

Almost surely, 2^{9922815002500} is an apocalyptic number.

9922815002500 is the 3150050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9922815002500

9922815002500 is an abundant number, since it is smaller than the sum of its proper divisors (11863193692335).

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

9922815002500 is an frugal number, since it uses more digits than its factorization.

9922815002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 9922815002500 in words is "nine trillion, nine hundred twenty-two billion, eight hundred fifteen million, two thousand, five hundred".