224220193 has 2 divisors, whose sum is σ = 224220194. Its totient is φ = 224220192.

The previous prime is 224220187. The next prime is 224220203. The reversal of 224220193 is 391022422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216913984 + 7306209 = 14728^2 + 2703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224220193 is a prime.

It is not a weakly prime, because it can be changed into another prime (224220133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112110096 + 112110097.

It is an arithmetic number, because the mean of its divisors is an integer number (112110097).

Almost surely, 2^224220193 is an apocalyptic number.

It is an amenable number.

224220193 is a deficient number, since it is larger than the sum of its proper divisors (1).

224220193 is an equidigital number, since it uses as much as digits as its factorization.

224220193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 224220193 is about 14973.9838720362. The cubic root of 224220193 is about 607.5167279062.

The spelling of 224220193 in words is "two hundred twenty-four million, two hundred twenty thousand, one hundred ninety-three".