1003441221 has 12 divisors (see below), whose sum is σ = 1488588972. Its totient is φ = 650880576.

The previous prime is 1003441213. The next prime is 1003441253. The reversal of 1003441221 is 1221443001.

1003441221 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 441 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 871076196 + 132365025 = 29514^2 + 11505^2 .

It is not a de Polignac number, because 1003441221 - 2³ = 1003441213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003441194 and 1003441203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003441321) 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 in 11 ways as a sum of consecutive naturals, for example, 1506336 + ... + 1507001.

It is an arithmetic number, because the mean of its divisors is an integer number (124049081).

Almost surely, 2^1003441221 is an apocalyptic number.

It is an amenable number.

1003441221 is a deficient number, since it is larger than the sum of its proper divisors (485147751).

1003441221 is a wasteful number, since it uses less digits than its factorization.

1003441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013380 (or 3013377 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1003441221 is about 31677.1403538893. The cubic root of 1003441221 is about 1001.1457603984.

Adding to 1003441221 its reverse (1221443001), we get a palindrome (2224884222).

The spelling of 1003441221 in words is "one billion, three million, four hundred forty-one thousand, two hundred twenty-one".