795817221 has 4 divisors (see below), whose sum is σ = 1061089632. Its totient is φ = 530544812.

The previous prime is 795817189. The next prime is 795817229. The reversal of 795817221 is 122718597.

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 795817221 - 2⁵ = 795817189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (795817229) 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 3 ways as a sum of consecutive naturals, for example, 132636201 + ... + 132636206.

It is an arithmetic number, because the mean of its divisors is an integer number (265272408).

Almost surely, 2^795817221 is an apocalyptic number.

It is an amenable number.

795817221 is a deficient number, since it is larger than the sum of its proper divisors (265272411).

795817221 is a wasteful number, since it uses less digits than its factorization.

795817221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265272410.

The product of its digits is 70560, while the sum is 42.

The square root of 795817221 is about 28210.2325584175. The cubic root of 795817221 is about 926.6970437713.

The spelling of 795817221 in words is "seven hundred ninety-five million, eight hundred seventeen thousand, two hundred twenty-one".