9720228000 has 576 divisors, whose sum is σ = 37788581376. Its totient is φ = 2177280000.

The previous prime is 9720227999. The next prime is 9720228029. The reversal of 9720228000 is 8220279.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35867865 + ... + 35868135.

It is an arithmetic number, because the mean of its divisors is an integer number (65605176).

Almost surely, 2^9720228000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9720228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18894290688).

9720228000 is an abundant number, since it is smaller than the sum of its proper divisors (28068353376).

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

9720228000 is a wasteful number, since it uses less digits than its factorization.

9720228000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9720228000 is about 98591.2166473261. The cubic root of 9720228000 is about 2134.1526692235.

Adding to 9720228000 its reverse (8220279), we get a palindrome (9728448279).

The spelling of 9720228000 in words is "nine billion, seven hundred twenty million, two hundred twenty-eight thousand".