224457449 has 2 divisors, whose sum is σ = 224457450. Its totient is φ = 224457448.

The previous prime is 224457439. The next prime is 224457517. The reversal of 224457449 is 944754422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217031824 + 7425625 = 14732^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 224457449 - 2⁴ = 224457433 is a prime.

It is a super-2 number, since 2×224457449² = 100762292823175202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (224457439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112228724 + 112228725.

It is an arithmetic number, because the mean of its divisors is an integer number (112228725).

Almost surely, 2^224457449 is an apocalyptic number.

It is an amenable number.

224457449 is a deficient number, since it is larger than the sum of its proper divisors (1).

224457449 is an equidigital number, since it uses as much as digits as its factorization.

224457449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 41.

The square root of 224457449 is about 14981.9040512213. The cubic root of 224457449 is about 607.7309313012.

The spelling of 224457449 in words is "two hundred twenty-four million, four hundred fifty-seven thousand, four hundred forty-nine".