44402321 has 2 divisors, whose sum is σ = 44402322. Its totient is φ = 44402320.

The previous prime is 44402243. The next prime is 44402363. The reversal of 44402321 is 12320444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 10471696 = 5825^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 44402321 - 2¹⁴ = 44385937 is a prime.

It is a super-3 number, since 3×44402321³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 44402293 and 44402302.

It is not a weakly prime, because it can be changed into another prime (44402381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201160 + 22201161.

It is an arithmetic number, because the mean of its divisors is an integer number (22201161).

Almost surely, 2^44402321 is an apocalyptic number.

It is an amenable number.

44402321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402321 is an equidigital number, since it uses as much as digits as its factorization.

44402321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44402321 is about 6663.5066594099. The cubic root of 44402321 is about 354.1075805899.

Adding to 44402321 its reverse (12320444), we get a palindrome (56722765).

The spelling of 44402321 in words is "forty-four million, four hundred two thousand, three hundred twenty-one".