791222198 has 16 divisors (see below), whose sum is σ = 1278619440. Its totient is φ = 365039136.

The previous prime is 791222189. The next prime is 791222219. The reversal of 791222198 is 891222197.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 97688 + ... + 105476.

It is an arithmetic number, because the mean of its divisors is an integer number (79913715).

Almost surely, 2^791222198 is an apocalyptic number.

791222198 is a deficient number, since it is larger than the sum of its proper divisors (487397242).

791222198 is a wasteful number, since it uses less digits than its factorization.

791222198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711.

The product of its digits is 36288, while the sum is 41.

The square root of 791222198 is about 28128.6721691586. The cubic root of 791222198 is about 924.9100269926.

Subtracting 791222198 from its reverse (891222197), we obtain a palindrome (99999999).

The spelling of 791222198 in words is "seven hundred ninety-one million, two hundred twenty-two thousand, one hundred ninety-eight".