224830181 has 2 divisors, whose sum is σ = 224830182. Its totient is φ = 224830180.

The previous prime is 224830169. The next prime is 224830213. The reversal of 224830181 is 181038422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144817156 + 80013025 = 12034^2 + 8945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224830181 is a prime.

It is a super-2 number, since 2×224830181² = 101097220576985522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224830121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112415090 + 112415091.

It is an arithmetic number, because the mean of its divisors is an integer number (112415091).

Almost surely, 2^224830181 is an apocalyptic number.

It is an amenable number.

224830181 is a deficient number, since it is larger than the sum of its proper divisors (1).

224830181 is an equidigital number, since it uses as much as digits as its factorization.

224830181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 224830181 is about 14994.3382981711. The cubic root of 224830181 is about 608.0671427538.

The spelling of 224830181 in words is "two hundred twenty-four million, eight hundred thirty thousand, one hundred eighty-one".