44033213 has 12 divisors (see below), whose sum is σ = 54236412. Its totient is φ = 35521920.

The previous prime is 44033207. The next prime is 44033251. The reversal of 44033213 is 31233044.

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 12201049 = 5642^2 + 3493^2 .

It is not a de Polignac number, because 44033213 - 2⁶ = 44033149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44033263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25598 + ... + 27263.

It is an arithmetic number, because the mean of its divisors is an integer number (4519701).

Almost surely, 2^44033213 is an apocalyptic number.

It is an amenable number.

44033213 is a deficient number, since it is larger than the sum of its proper divisors (10203199).

44033213 is a wasteful number, since it uses less digits than its factorization.

44033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52892 (or 52885 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 44033213 is about 6635.7526325203. The cubic root of 44033213 is about 353.1236395698.

Adding to 44033213 its reverse (31233044), we get a palindrome (75266257).

The spelling of 44033213 in words is "forty-four million, thirty-three thousand, two hundred thirteen".