9922823280 has 480 divisors, whose sum is σ = 36048317760. Its totient is φ = 2441134080.

The previous prime is 9922823243. The next prime is 9922823291. The reversal of 9922823280 is 823282299.

9922823280 is a `hidden beast` number, since 9 + 92 + 282 + 3 + 280 = 666.

It is a super-2 number, since 2×9922823280² (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 95 ways as a sum of consecutive naturals, for example, 57357274 + ... + 57357446.

It is an arithmetic number, because the mean of its divisors is an integer number (75100662).

Almost surely, 2^9922823280 is an apocalyptic number.

9922823280 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 9922823280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18024158880).

9922823280 is an abundant number, since it is smaller than the sum of its proper divisors (26125494480).

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

9922823280 is a wasteful number, since it uses less digits than its factorization.

9922823280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 320 counting only the distinct ones).

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

The square root of 9922823280 is about 99613.3689822807. The cubic root of 9922823280 is about 2148.8779636621.

The spelling of 9922823280 in words is "nine billion, nine hundred twenty-two million, eight hundred twenty-three thousand, two hundred eighty".