444042228 has 24 divisors (see below), whose sum is σ = 1184112832. Its totient is φ = 126869184.

The previous prime is 444042211. The next prime is 444042251. The reversal of 444042228 is 822240444.

It is a junction number, because it is equal to n+sod(n) for n = 444042195 and 444042204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643025 + ... + 2643192.

Almost surely, 2^444042228 is an apocalyptic number.

It is an amenable number.

444042228 is an abundant number, since it is smaller than the sum of its proper divisors (740070604).

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

444042228 is a wasteful number, since it uses less digits than its factorization.

444042228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286231 (or 5286229 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The square root of 444042228 is about 21072.3095079775. The cubic root of 444042228 is about 762.9125474416.

The spelling of 444042228 in words is "four hundred forty-four million, forty-two thousand, two hundred twenty-eight".