224197 has 2 divisors, whose sum is σ = 224198. Its totient is φ = 224196.

The previous prime is 224177. The next prime is 224201. The reversal of 224197 is 791422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198916 + 25281 = 446^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 224197 - 2⁷ = 224069 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224177) 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, 112098 + 112099.

It is an arithmetic number, because the mean of its divisors is an integer number (112099).

2²²⁴¹⁹⁷ is an apocalyptic number.

It is an amenable number.

224197 is a deficient number, since it is larger than the sum of its proper divisors (1).

224197 is an equidigital number, since it uses as much as digits as its factorization.

224197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 224197 is about 473.4944561449. The cubic root of 224197 is about 60.7495780311.

The spelling of 224197 in words is "two hundred twenty-four thousand, one hundred ninety-seven".