44332213 has 4 divisors (see below), whose sum is σ = 45860940. Its totient is φ = 42803488.

The previous prime is 44332207. The next prime is 44332217. The reversal of 44332213 is 31223344.

It is a happy number.

44332213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 21464689 = 4782^2 + 4633^2 .

It is a cyclic number.

It is not a de Polignac number, because 44332213 - 2⁵ = 44332181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44332217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764320 + ... + 764377.

It is an arithmetic number, because the mean of its divisors is an integer number (11465235).

Almost surely, 2^44332213 is an apocalyptic number.

It is an amenable number.

44332213 is a deficient number, since it is larger than the sum of its proper divisors (1528727).

44332213 is a wasteful number, since it uses less digits than its factorization.

44332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528726.

The product of its digits is 1728, while the sum is 22.

The square root of 44332213 is about 6658.2439877193. The cubic root of 44332213 is about 353.9211124714.

Adding to 44332213 its reverse (31223344), we get a palindrome (75555557).

The spelling of 44332213 in words is "forty-four million, three hundred thirty-two thousand, two hundred thirteen".