9923222880 has 144 divisors (see below), whose sum is σ = 34327238400. Its totient is φ = 2609915904.

The previous prime is 9923222863. The next prime is 9923222893. The reversal of 9923222880 is 882223299.

9923222880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57921 + ... + 152319.

It is an arithmetic number, because the mean of its divisors is an integer number (238383600).

Almost surely, 2^9923222880 is an apocalyptic number.

9923222880 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 9923222880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17163619200).

9923222880 is an abundant number, since it is smaller than the sum of its proper divisors (24404015520).

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

9923222880 is a wasteful number, since it uses less digits than its factorization.

9923222880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94493 (or 94482 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 9923222880 is about 99615.3747169582. The cubic root of 9923222880 is about 2148.9068089509.

The spelling of 9923222880 in words is "nine billion, nine hundred twenty-three million, two hundred twenty-two thousand, eight hundred eighty".