224231191 has 2 divisors, whose sum is σ = 224231192. Its totient is φ = 224231190.

The previous prime is 224231167. The next prime is 224231213. The reversal of 224231191 is 191132422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224231191 - 2¹⁷ = 224100119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224231131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112115595 + 112115596.

It is an arithmetic number, because the mean of its divisors is an integer number (112115596).

Almost surely, 2^224231191 is an apocalyptic number.

224231191 is a deficient number, since it is larger than the sum of its proper divisors (1).

224231191 is an equidigital number, since it uses as much as digits as its factorization.

224231191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 224231191 is about 14974.3511044719. The cubic root of 224231191 is about 607.5266606419.

It can be divided in two parts, 2242311 and 91, that multiplied together give a triangular number (204050301 = T₂₀₂₀₁).

The spelling of 224231191 in words is "two hundred twenty-four million, two hundred thirty-one thousand, one hundred ninety-one".