444221033 has 12 divisors (see below), whose sum is σ = 472951920. Its totient is φ = 417148992.

The previous prime is 444221009. The next prime is 444221059. The reversal of 444221033 is 330122444.

It is not a de Polignac number, because 444221033 - 2¹⁶ = 444155497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444221233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149678 + ... + 152616.

It is an arithmetic number, because the mean of its divisors is an integer number (39412660).

Almost surely, 2^444221033 is an apocalyptic number.

It is an amenable number.

444221033 is a deficient number, since it is larger than the sum of its proper divisors (28730887).

444221033 is a wasteful number, since it uses less digits than its factorization.

444221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 444221033 is about 21076.5517340954. The cubic root of 444221033 is about 763.0149358058.

Adding to 444221033 its reverse (330122444), we get a palindrome (774343477).

The spelling of 444221033 in words is "four hundred forty-four million, two hundred twenty-one thousand, thirty-three".