449722225 has 12 divisors (see below), whose sum is σ = 568179036. Its totient is φ = 352988480.

The previous prime is 449722223. The next prime is 449722241. The reversal of 449722225 is 522227944.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25321024 + 424401201 = 5032^2 + 20601^2 .

It is not a de Polignac number, because 449722225 - 2¹ = 449722223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449722223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168382 + ... + 171031.

It is an arithmetic number, because the mean of its divisors is an integer number (47348253).

Almost surely, 2^449722225 is an apocalyptic number.

It is an amenable number.

449722225 is a deficient number, since it is larger than the sum of its proper divisors (118456811).

449722225 is a wasteful number, since it uses less digits than its factorization.

449722225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339476 (or 339471 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 449722225 is about 21206.6552053830. The cubic root of 449722225 is about 766.1517246781.

The spelling of 449722225 in words is "four hundred forty-nine million, seven hundred twenty-two thousand, two hundred twenty-five".