224424197 has 2 divisors, whose sum is σ = 224424198. Its totient is φ = 224424196.

The previous prime is 224424149. The next prime is 224424199. The reversal of 224424197 is 791424422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219069601 + 5354596 = 14801^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 224424197 - 2¹⁶ = 224358661 is a prime.

Together with 224424199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224424199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112212098 + 112212099.

It is an arithmetic number, because the mean of its divisors is an integer number (112212099).

Almost surely, 2^224424197 is an apocalyptic number.

It is an amenable number.

224424197 is a deficient number, since it is larger than the sum of its proper divisors (1).

224424197 is an equidigital number, since it uses as much as digits as its factorization.

224424197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 224424197 is about 14980.7942713329. The cubic root of 224424197 is about 607.7009192774.

The spelling of 224424197 in words is "two hundred twenty-four million, four hundred twenty-four thousand, one hundred ninety-seven".