9722119680 has 480 divisors, whose sum is σ = 41449472064. Its totient is φ = 2050818048.

The previous prime is 9722119669. The next prime is 9722119723. The reversal of 9722119680 is 869112279.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×9722119680² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2094322 + ... + 2098958.

Almost surely, 2^9722119680 is an apocalyptic number.

9722119680 is a gapful number since it is divisible by the number (90) 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 9722119680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20724736032).

9722119680 is an abundant number, since it is smaller than the sum of its proper divisors (31727352384).

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

9722119680 is a wasteful number, since it uses less digits than its factorization.

9722119680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 9722119680 is about 98600.8097329834. The cubic root of 9722119680 is about 2134.2911046613.

The spelling of 9722119680 in words is "nine billion, seven hundred twenty-two million, one hundred nineteen thousand, six hundred eighty".