224487449 has 2 divisors, whose sum is σ = 224487450. Its totient is φ = 224487448.

The previous prime is 224487443. The next prime is 224487467. The reversal of 224487449 is 944784422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216825625 + 7661824 = 14725^2 + 2768^2 .

It is a cyclic number.

It is not a de Polignac number, because 224487449 - 2¹² = 224483353 is a prime.

It is a super-2 number, since 2×224487449² = 100789229517055202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224487443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112243724 + 112243725.

It is an arithmetic number, because the mean of its divisors is an integer number (112243725).

Almost surely, 2^224487449 is an apocalyptic number.

It is an amenable number.

224487449 is a deficient number, since it is larger than the sum of its proper divisors (1).

224487449 is an equidigital number, since it uses as much as digits as its factorization.

224487449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 44.

The square root of 224487449 is about 14982.9052256230. The cubic root of 224487449 is about 607.7580056469.

The spelling of 224487449 in words is "two hundred twenty-four million, four hundred eighty-seven thousand, four hundred forty-nine".