224186189 has 2 divisors, whose sum is σ = 224186190. Its totient is φ = 224186188.

The previous prime is 224186173. The next prime is 224186213. The reversal of 224186189 is 981681422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176438089 + 47748100 = 13283^2 + 6910^2 .

It is a cyclic number.

It is not a de Polignac number, because 224186189 - 2⁴ = 224186173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224186119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112093094 + 112093095.

It is an arithmetic number, because the mean of its divisors is an integer number (112093095).

Almost surely, 2^224186189 is an apocalyptic number.

It is an amenable number.

224186189 is a deficient number, since it is larger than the sum of its proper divisors (1).

224186189 is an equidigital number, since it uses as much as digits as its factorization.

224186189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 224186189 is about 14972.8483930079. The cubic root of 224186189 is about 607.4860154729.

The spelling of 224186189 in words is "two hundred twenty-four million, one hundred eighty-six thousand, one hundred eighty-nine".