448463215922 has 6 divisors (see below), whose sum is σ = 672696244479. Its totient is φ = 224231134430.

The previous prime is 448463215919. The next prime is 448463215973. The reversal of 448463215922 is 229512364844.

It can be written as a sum of positive squares in only one way, i.e., 224231607961 + 224231607961 = 473531^2 + 473531^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=473531.

It is a super-2 number, since 2×448463215922² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 710297 + ... + 1183827.

Almost surely, 2^448463215922 is an apocalyptic number.

448463215922 is a deficient number, since it is larger than the sum of its proper divisors (224233028557).

448463215922 is an frugal number, since it uses more digits than its factorization.

448463215922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947064 (or 473533 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 50.

Multiplying 448463215922 by its sum of digits (50), we get a square (22423160796100 = 4735310²).

The spelling of 448463215922 in words is "four hundred forty-eight billion, four hundred sixty-three million, two hundred fifteen thousand, nine hundred twenty-two".