798100221 has 8 divisors (see below), whose sum is σ = 1064264224. Its totient is φ = 532001520.

The previous prime is 798100217. The next prime is 798100229. The reversal of 798100221 is 122001897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 798100221 - 2² = 798100217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798100229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38490 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (133033028).

Almost surely, 2^798100221 is an apocalyptic number.

It is an amenable number.

798100221 is a deficient number, since it is larger than the sum of its proper divisors (266164003).

798100221 is a wasteful number, since it uses less digits than its factorization.

798100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32651.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 798100221 is about 28250.6676204298. The cubic root of 798100221 is about 927.5823515296.

The spelling of 798100221 in words is "seven hundred ninety-eight million, one hundred thousand, two hundred twenty-one".