448442224 has 40 divisors (see below), whose sum is σ = 915512832. Its totient is φ = 212372160.

The previous prime is 448442219. The next prime is 448442231. The reversal of 448442224 is 422244844.

It is a super-2 number, since 2×448442224² = 402200856532132352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 448442224.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31989 + ... + 43819.

Almost surely, 2^448442224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448442224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457756416).

448442224 is an abundant number, since it is smaller than the sum of its proper divisors (467070608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448442224 is a wasteful number, since it uses less digits than its factorization.

448442224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965 (or 11959 counting only the distinct ones).

The product of its digits is 65536, while the sum is 34.

The square root of 448442224 is about 21176.4544718893. The cubic root of 448442224 is about 765.4241593846.

The spelling of 448442224 in words is "four hundred forty-eight million, four hundred forty-two thousand, two hundred twenty-four".