44021224 has 16 divisors (see below), whose sum is σ = 88889220. Its totient is φ = 20317440.

The previous prime is 44021213. The next prime is 44021239. The reversal of 44021224 is 42212044.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 8236900 = 5982^2 + 2870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211537 + ... + 211744.

Almost surely, 2^44021224 is an apocalyptic number.

It is an amenable number.

44021224 is an abundant number, since it is smaller than the sum of its proper divisors (44867996).

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

44021224 is a wasteful number, since it uses less digits than its factorization.

44021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423300 (or 423296 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 44021224 is about 6634.8492070280. The cubic root of 44021224 is about 353.0915881302.

Adding to 44021224 its reverse (42212044), we get a palindrome (86233268).

The spelling of 44021224 in words is "forty-four million, twenty-one thousand, two hundred twenty-four".