449729227 has 2 divisors, whose sum is σ = 449729228. Its totient is φ = 449729226.

The previous prime is 449729219. The next prime is 449729249. The reversal of 449729227 is 722927944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449729227 - 2³ = 449729219 is a prime.

It is equal to p_23839498 and since 449729227 and 23839498 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (449729257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224864613 + 224864614.

It is an arithmetic number, because the mean of its divisors is an integer number (224864614).

Almost surely, 2^449729227 is an apocalyptic number.

449729227 is a deficient number, since it is larger than the sum of its proper divisors (1).

449729227 is an equidigital number, since it uses as much as digits as its factorization.

449729227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 449729227 is about 21206.8202944242. The cubic root of 449729227 is about 766.1557008855.

The spelling of 449729227 in words is "four hundred forty-nine million, seven hundred twenty-nine thousand, two hundred twenty-seven".