18796326191222 has 4 divisors (see below), whose sum is σ = 28194489286836. Its totient is φ = 9398163095610.

The previous prime is 18796326191219. The next prime is 18796326191243. The reversal of 18796326191222 is 22219162369781.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 4699081547804 + ... + 4699081547807.

It is an arithmetic number, because the mean of its divisors is an integer number (7048622321709).

Almost surely, 2^{18796326191222} is an apocalyptic number.

18796326191222 is a deficient number, since it is larger than the sum of its proper divisors (9398163095614).

18796326191222 is an equidigital number, since it uses as much as digits as its factorization.

18796326191222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398163095613.

The product of its digits is 7838208, while the sum is 59.

The spelling of 18796326191222 in words is "eighteen trillion, seven hundred ninety-six billion, three hundred twenty-six million, one hundred ninety-one thousand, two hundred twenty-two".