226532982191 has 2 divisors, whose sum is σ = 226532982192. Its totient is φ = 226532982190.

The previous prime is 226532982187. The next prime is 226532982199. The reversal of 226532982191 is 191289235622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226532982191 - 2² = 226532982187 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226532982199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113266491095 + 113266491096.

It is an arithmetic number, because the mean of its divisors is an integer number (113266491096).

Almost surely, 2^226532982191 is an apocalyptic number.

226532982191 is a deficient number, since it is larger than the sum of its proper divisors (1).

226532982191 is an equidigital number, since it uses as much as digits as its factorization.

226532982191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The spelling of 226532982191 in words is "two hundred twenty-six billion, five hundred thirty-two million, nine hundred eighty-two thousand, one hundred ninety-one".