9798220001 has 4 divisors (see below), whose sum is σ = 9802598400. Its totient is φ = 9793841604.

The previous prime is 9798219989. The next prime is 9798220007. The reversal of 9798220001 is 1000228979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9798220001 - 2³⁰ = 8724478177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9798220007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185841 + ... + 2190318.

It is an arithmetic number, because the mean of its divisors is an integer number (2450649600).

Almost surely, 2^9798220001 is an apocalyptic number.

It is an amenable number.

9798220001 is a deficient number, since it is larger than the sum of its proper divisors (4378399).

9798220001 is a wasteful number, since it uses less digits than its factorization.

9798220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378398.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 9798220001 is about 98985.9586052487. The cubic root of 9798220001 is about 2139.8453902480.

The spelling of 9798220001 in words is "nine billion, seven hundred ninety-eight million, two hundred twenty thousand, one".