44422321 has 4 divisors (see below), whose sum is σ = 45260532. Its totient is φ = 43584112.

The previous prime is 44422297. The next prime is 44422327. The reversal of 44422321 is 12322444.

It is a happy number.

44422321 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 23619600 + 20802721 = 4860^2 + 4561^2 .

It is a cyclic number.

It is not a de Polignac number, because 44422321 - 2¹¹ = 44420273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44422292 and 44422301.

It is not an unprimeable number, because it can be changed into a prime (44422327) 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, 419026 + ... + 419131.

It is an arithmetic number, because the mean of its divisors is an integer number (11315133).

Almost surely, 2^44422321 is an apocalyptic number.

It is an amenable number.

44422321 is a deficient number, since it is larger than the sum of its proper divisors (838211).

44422321 is an equidigital number, since it uses as much as digits as its factorization.

44422321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838210.

The product of its digits is 1536, while the sum is 22.

The square root of 44422321 is about 6665.0072017966. The cubic root of 44422321 is about 354.1607391365.

Adding to 44422321 its reverse (12322444), we get a palindrome (56744765).

The spelling of 44422321 in words is "forty-four million, four hundred twenty-two thousand, three hundred twenty-one".