9922085280 has 480 divisors, whose sum is σ = 36514291968. Its totient is φ = 2535321600.

The previous prime is 9922085263. The next prime is 9922085291. The reversal of 9922085280 is 825802299.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37726429 + ... + 37726691.

Almost surely, 2^9922085280 is an apocalyptic number.

9922085280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9922085280 is the 57510-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9922085280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18257145984).

9922085280 is an abundant number, since it is smaller than the sum of its proper divisors (26592206688).

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

9922085280 is a wasteful number, since it uses less digits than its factorization.

9922085280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 9922085280 is about 99609.6645913437. The cubic root of 9922085280 is about 2148.8246887957.

The spelling of 9922085280 in words is "nine billion, nine hundred twenty-two million, eighty-five thousand, two hundred eighty".