1044221573 has 2 divisors, whose sum is σ = 1044221574. Its totient is φ = 1044221572.

The previous prime is 1044221569. The next prime is 1044221609. The reversal of 1044221573 is 3751224401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938687044 + 105534529 = 30638^2 + 10273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044221573 - 2² = 1044221569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044221173) 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 as a sum of consecutive naturals, namely, 522110786 + 522110787.

It is an arithmetic number, because the mean of its divisors is an integer number (522110787).

Almost surely, 2^1044221573 is an apocalyptic number.

It is an amenable number.

1044221573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044221573 is an equidigital number, since it uses as much as digits as its factorization.

1044221573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1044221573 is about 32314.4174169983. The cubic root of 1044221573 is about 1014.5284269470.

Adding to 1044221573 its reverse (3751224401), we get a palindrome (4795445974).

The spelling of 1044221573 in words is "one billion, forty-four million, two hundred twenty-one thousand, five hundred seventy-three".