44223728 has 20 divisors (see below), whose sum is σ = 86718408. Its totient is φ = 21844800.

The previous prime is 44223721. The next prime is 44223731. The reversal of 44223728 is 82732244.

It is a junction number, because it is equal to n+sod(n) for n = 44223694 and 44223703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44223721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15323 + ... + 17978.

Almost surely, 2^44223728 is an apocalyptic number.

It is an amenable number.

44223728 is a deficient number, since it is larger than the sum of its proper divisors (42494680).

44223728 is a wasteful number, since it uses less digits than its factorization.

44223728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33392 (or 33386 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 44223728 is about 6650.0923301861. The cubic root of 44223728 is about 353.6321841675.

The spelling of 44223728 in words is "forty-four million, two hundred twenty-three thousand, seven hundred twenty-eight".