224739941 has 2 divisors, whose sum is σ = 224739942. Its totient is φ = 224739940.

The previous prime is 224739841. The next prime is 224739953. The reversal of 224739941 is 149937422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155500900 + 69239041 = 12470^2 + 8321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224739941 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224739341) 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, 112369970 + 112369971.

It is an arithmetic number, because the mean of its divisors is an integer number (112369971).

Almost surely, 2^224739941 is an apocalyptic number.

It is an amenable number.

224739941 is a deficient number, since it is larger than the sum of its proper divisors (1).

224739941 is an equidigital number, since it uses as much as digits as its factorization.

224739941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 224739941 is about 14991.3288603779. The cubic root of 224739941 is about 607.9857786450.

The spelling of 224739941 in words is "two hundred twenty-four million, seven hundred thirty-nine thousand, nine hundred forty-one".