224291 has 2 divisors, whose sum is σ = 224292. Its totient is φ = 224290.

The previous prime is 224267. The next prime is 224299. The reversal of 224291 is 192422.

224291 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 a de Polignac number, because none of the positive numbers 2^k-224291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112145 + 112146.

It is an arithmetic number, because the mean of its divisors is an integer number (112146).

2²²⁴²⁹¹ is an apocalyptic number.

224291 is a deficient number, since it is larger than the sum of its proper divisors (1).

224291 is an equidigital number, since it uses as much as digits as its factorization.

224291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 224291 is about 473.5937077285. The cubic root of 224291 is about 60.7580670868.

It can be divided in two parts, 224 and 291, that added together give a palindrome (515).

The spelling of 224291 in words is "two hundred twenty-four thousand, two hundred ninety-one".