224244257 has 2 divisors, whose sum is σ = 224244258. Its totient is φ = 224244256.

The previous prime is 224244233. The next prime is 224244299. The reversal of 224244257 is 752442422.

224244257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162919696 + 61324561 = 12764^2 + 7831^2 .

It is a cyclic number.

It is not a de Polignac number, because 224244257 - 2⁸ = 224244001 is a prime.

It is not a weakly prime, because it can be changed into another prime (224244557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112122128 + 112122129.

It is an arithmetic number, because the mean of its divisors is an integer number (112122129).

Almost surely, 2^224244257 is an apocalyptic number.

It is an amenable number.

224244257 is a deficient number, since it is larger than the sum of its proper divisors (1).

224244257 is an equidigital number, since it uses as much as digits as its factorization.

224244257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 32.

The square root of 224244257 is about 14974.7873774555. The cubic root of 224244257 is about 607.5384606493.

Adding to 224244257 its reverse (752442422), we get a palindrome (976686679).

The spelling of 224244257 in words is "two hundred twenty-four million, two hundred forty-four thousand, two hundred fifty-seven".