224672849 has 2 divisors, whose sum is σ = 224672850. Its totient is φ = 224672848.

The previous prime is 224672827. The next prime is 224672863. The reversal of 224672849 is 948276422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 82228624 = 11935^2 + 9068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224672849 is a prime.

It is not a weakly prime, because it can be changed into another prime (224672249) 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, 112336424 + 112336425.

It is an arithmetic number, because the mean of its divisors is an integer number (112336425).

Almost surely, 2^224672849 is an apocalyptic number.

It is an amenable number.

224672849 is a deficient number, since it is larger than the sum of its proper divisors (1).

224672849 is an equidigital number, since it uses as much as digits as its factorization.

224672849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 224672849 is about 14989.0909997905. The cubic root of 224672849 is about 607.9252716112.

The spelling of 224672849 in words is "two hundred twenty-four million, six hundred seventy-two thousand, eight hundred forty-nine".