384228444 has 12 divisors (see below), whose sum is σ = 896533064. Its totient is φ = 128076144.

The previous prime is 384228437. The next prime is 384228463. The reversal of 384228444 is 444822483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×384228444² = 295262994357322272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 16009507 + ... + 16009530.

Almost surely, 2^384228444 is an apocalyptic number.

It is an amenable number.

384228444 is an abundant number, since it is smaller than the sum of its proper divisors (512304620).

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

384228444 is a wasteful number, since it uses less digits than its factorization.

384228444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32019044 (or 32019042 counting only the distinct ones).

The product of its digits is 196608, while the sum is 39.

The square root of 384228444 is about 19601.7459426450. The cubic root of 384228444 is about 726.9923440796.

The spelling of 384228444 in words is "three hundred eighty-four million, two hundred twenty-eight thousand, four hundred forty-four".