224133209 has 2 divisors, whose sum is σ = 224133210. Its totient is φ = 224133208.

The previous prime is 224133197. The next prime is 224133223. The reversal of 224133209 is 902331422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209670400 + 14462809 = 14480^2 + 3803^2 .

It is a cyclic number.

It is not a de Polignac number, because 224133209 - 2¹⁶ = 224067673 is a prime.

It is a super-3 number, since 3×224133209³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (224133269) 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, 112066604 + 112066605.

It is an arithmetic number, because the mean of its divisors is an integer number (112066605).

Almost surely, 2^224133209 is an apocalyptic number.

It is an amenable number.

224133209 is a deficient number, since it is larger than the sum of its proper divisors (1).

224133209 is an equidigital number, since it uses as much as digits as its factorization.

224133209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 224133209 is about 14971.0790860245. The cubic root of 224133209 is about 607.4381577155.

The spelling of 224133209 in words is "two hundred twenty-four million, one hundred thirty-three thousand, two hundred nine".