220934191 has 2 divisors, whose sum is σ = 220934192. Its totient is φ = 220934190.

The previous prime is 220934177. The next prime is 220934201. The reversal of 220934191 is 191439022.

220934191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220934191 - 2⁹ = 220933679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220934591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110467095 + 110467096.

It is an arithmetic number, because the mean of its divisors is an integer number (110467096).

Almost surely, 2^220934191 is an apocalyptic number.

220934191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220934191 is an equidigital number, since it uses as much as digits as its factorization.

220934191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 220934191 is about 14863.8551863236. The cubic root of 220934191 is about 604.5343419539.

The spelling of 220934191 in words is "two hundred twenty million, nine hundred thirty-four thousand, one hundred ninety-one".