32212221191 has 2 divisors, whose sum is σ = 32212221192. Its totient is φ = 32212221190.

The previous prime is 32212221187. The next prime is 32212221193. The reversal of 32212221191 is 19112221223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32212221191 - 2² = 32212221187 is a prime.

Together with 32212221193, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32212221191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32212221193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106110595 + 16106110596.

It is an arithmetic number, because the mean of its divisors is an integer number (16106110596).

Almost surely, 2^32212221191 is an apocalyptic number.

32212221191 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212221191 is an equidigital number, since it uses as much as digits as its factorization.

32212221191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The spelling of 32212221191 in words is "thirty-two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ninety-one".