1004221303 has 4 divisors (see below), whose sum is σ = 1004333040. Its totient is φ = 1004109568.

The previous prime is 1004221301. The next prime is 1004221313. The reversal of 1004221303 is 3031224001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1004221303 - 2¹ = 1004221301 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 (1004221301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41083 + ... + 60796.

It is an arithmetic number, because the mean of its divisors is an integer number (251083260).

Almost surely, 2^1004221303 is an apocalyptic number.

1004221303 is a deficient number, since it is larger than the sum of its proper divisors (111737).

1004221303 is an equidigital number, since it uses as much as digits as its factorization.

1004221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111736.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1004221303 is about 31689.4509734707. The cubic root of 1004221303 is about 1001.4051256970.

Adding to 1004221303 its reverse (3031224001), we get a palindrome (4035445304).

The spelling of 1004221303 in words is "one billion, four million, two hundred twenty-one thousand, three hundred three".