444015228 has 48 divisors (see below), whose sum is σ = 1046424960. Its totient is φ = 146529600.

The previous prime is 444015203. The next prime is 444015233. The reversal of 444015228 is 822510444.

It is a junction number, because it is equal to n+sod(n) for n = 444015195 and 444015204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904063 + ... + 904553.

It is an arithmetic number, because the mean of its divisors is an integer number (21800520).

Almost surely, 2^444015228 is an apocalyptic number.

It is an amenable number.

444015228 is an abundant number, since it is smaller than the sum of its proper divisors (602409732).

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

444015228 is a wasteful number, since it uses less digits than its factorization.

444015228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 444015228 is about 21071.6688470562. The cubic root of 444015228 is about 762.8970841553.

The spelling of 444015228 in words is "four hundred forty-four million, fifteen thousand, two hundred twenty-eight".