448221436 has 48 divisors (see below), whose sum is σ = 880927488. Its totient is φ = 198144000.

The previous prime is 448221409. The next prime is 448221443. The reversal of 448221436 is 634122844.

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 15 ways as a sum of consecutive naturals, for example, 161436 + ... + 164188.

It is an arithmetic number, because the mean of its divisors is an integer number (18352656).

Almost surely, 2^448221436 is an apocalyptic number.

It is an amenable number.

448221436 is a deficient number, since it is larger than the sum of its proper divisors (432706052).

448221436 is a wasteful number, since it uses less digits than its factorization.

448221436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2900 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 448221436 is about 21171.2407761095. The cubic root of 448221436 is about 765.2985213405.

The spelling of 448221436 in words is "four hundred forty-eight million, two hundred twenty-one thousand, four hundred thirty-six".