9722281982 has 12 divisors (see below), whose sum is σ = 16964390160. Its totient is φ = 4166692236.

The previous prime is 9722281981. The next prime is 9722282021. The reversal of 9722281982 is 2891822279.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9722281982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722281981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49603382 + ... + 49603577.

It is an arithmetic number, because the mean of its divisors is an integer number (1413699180).

Almost surely, 2^9722281982 is an apocalyptic number.

9722281982 is a deficient number, since it is larger than the sum of its proper divisors (7242108178).

9722281982 is a wasteful number, since it uses less digits than its factorization.

9722281982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99206975 (or 99206968 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 9722281982 is about 98601.6327552440. The cubic root of 9722281982 is about 2134.3029812822.

The spelling of 9722281982 in words is "nine billion, seven hundred twenty-two million, two hundred eighty-one thousand, nine hundred eighty-two".