449226403 has 2 divisors, whose sum is σ = 449226404. Its totient is φ = 449226402.

The previous prime is 449226391. The next prime is 449226433. The reversal of 449226403 is 304622944.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449226403 is a prime.

It is a super-2 number, since 2×449226403² = 403608722304636818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449226433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224613201 + 224613202.

It is an arithmetic number, because the mean of its divisors is an integer number (224613202).

Almost surely, 2^449226403 is an apocalyptic number.

449226403 is a deficient number, since it is larger than the sum of its proper divisors (1).

449226403 is an equidigital number, since it uses as much as digits as its factorization.

449226403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 449226403 is about 21194.9617362240. The cubic root of 449226403 is about 765.8700585371.

The spelling of 449226403 in words is "four hundred forty-nine million, two hundred twenty-six thousand, four hundred three".