6448224228446 has 48 divisors (see below), whose sum is σ = 13085017042272. Its totient is φ = 2319041672640.

The previous prime is 6448224228443. The next prime is 6448224228461.

6448224228446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6448224228391 and 6448224228400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448224228443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146382125 + ... + 146426168.

It is an arithmetic number, because the mean of its divisors is an integer number (272604521714).

Almost surely, 2^{6448224228446} is an apocalyptic number.

6448224228446 is an abundant number, since it is smaller than the sum of its proper divisors (6636792813826).

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

6448224228446 is a wasteful number, since it uses less digits than its factorization.

6448224228446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292808337 (or 292808326 counting only the distinct ones).

The product of its digits is 37748736, while the sum is 56.

The spelling of 6448224228446 in words is "six trillion, four hundred forty-eight billion, two hundred twenty-four million, two hundred twenty-eight thousand, four hundred forty-six".