9830722500 has 135 divisors (see below), whose sum is σ = 31099461393. Its totient is φ = 2617560000.

The previous prime is 9830722483. The next prime is 9830722507. The reversal of 9830722500 is 52270389.

It is a happy number.

The square root of 9830722500 is 99150.

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

9830722500 is a `hidden beast` number, since 9 + 83 + 0 + 72 + 2 + 500 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 4615571844 + 5215150656 = 67938^2 + 72216^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9830722507) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14872170 + ... + 14872830.

Almost surely, 2^9830722500 is an apocalyptic number.

9830722500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9830722500 is the 99150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9830722500

9830722500 is an abundant number, since it is smaller than the sum of its proper divisors (21268738893).

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

9830722500 is an equidigital number, since it uses as much as digits as its factorization.

9830722500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The cubic root of 9830722500 is about 2142.2088658017.

Multiplying 9830722500 by its sum of digits (36), we get a square (353906010000 = 594900²).

9830722500 divided by its sum of digits (36) gives a square (273075625 = 16525²).

Adding to 9830722500 its reverse (52270389), we get a palindrome (9882992889).

The spelling of 9830722500 in words is "nine billion, eight hundred thirty million, seven hundred twenty-two thousand, five hundred".