9805822272 has 42 divisors (see below), whose sum is σ = 28106620698. Its totient is φ = 3268607232.

The previous prime is 9805822261. The next prime is 9805822289. The reversal of 9805822272 is 2722285089.

It can be written as a sum of positive squares in only one way, i.e., 9805752576 + 69696 = 99024^2 + 264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8511423 + ... + 8512574.

Almost surely, 2^9805822272 is an apocalyptic number.

It is an amenable number.

9805822272 is an abundant number, since it is smaller than the sum of its proper divisors (18300798426).

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

9805822272 is a wasteful number, since it uses less digits than its factorization.

9805822272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17024015 (or 17024002 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 9805822272 is about 99024.3519140620. The cubic root of 9805822272 is about 2140.3986703027.

The spelling of 9805822272 in words is "nine billion, eight hundred five million, eight hundred twenty-two thousand, two hundred seventy-two".