449222657 has 8 divisors (see below), whose sum is σ = 483966336. Its totient is φ = 414505872.

The previous prime is 449222651. The next prime is 449222693. The reversal of 449222657 is 756222944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449222657 - 2²⁴ = 432445441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449222651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40088 + ... + 50054.

It is an arithmetic number, because the mean of its divisors is an integer number (60495792).

Almost surely, 2^449222657 is an apocalyptic number.

It is an amenable number.

449222657 is a deficient number, since it is larger than the sum of its proper divisors (34743679).

449222657 is a wasteful number, since it uses less digits than its factorization.

449222657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447.

The product of its digits is 241920, while the sum is 41.

The square root of 449222657 is about 21194.8733659817. The cubic root of 449222657 is about 765.8679297239.

The spelling of 449222657 in words is "four hundred forty-nine million, two hundred twenty-two thousand, six hundred fifty-seven".