1003330221 has 32 divisors (see below), whose sum is σ = 1428381696. Its totient is φ = 625320000.

The previous prime is 1003330201. The next prime is 1003330249. The reversal of 1003330221 is 1220333001.

It is not a de Polignac number, because 1003330221 - 2⁵ = 1003330189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518626 + ... + 520556.

It is an arithmetic number, because the mean of its divisors is an integer number (44636928).

Almost surely, 2^1003330221 is an apocalyptic number.

It is an amenable number.

1003330221 is a deficient number, since it is larger than the sum of its proper divisors (425051475).

1003330221 is a wasteful number, since it uses less digits than its factorization.

1003330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1003330221 is about 31675.3882533427. The cubic root of 1003330221 is about 1001.1088436779.

Adding to 1003330221 its reverse (1220333001), we get a palindrome (2223663222).

The spelling of 1003330221 in words is "one billion, three million, three hundred thirty thousand, two hundred twenty-one".