791222197 has 8 divisors (see below), whose sum is σ = 794807552. Its totient is φ = 787644000.

The previous prime is 791222189. The next prime is 791222219.

791222197 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 791222197 - 2³ = 791222189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791292197) 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, 404572 + ... + 406522.

It is an arithmetic number, because the mean of its divisors is an integer number (99350944).

Almost surely, 2^791222197 is an apocalyptic number.

It is an amenable number.

791222197 is a deficient number, since it is larger than the sum of its proper divisors (3585355).

791222197 is a wasteful number, since it uses less digits than its factorization.

791222197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its digits is 31752, while the sum is 40.

The square root of 791222197 is about 28128.6721513832. The cubic root of 791222197 is about 924.9100266030.

The spelling of 791222197 in words is "seven hundred ninety-one million, two hundred twenty-two thousand, one hundred ninety-seven".