1003341221 has 2 divisors, whose sum is σ = 1003341222. Its totient is φ = 1003341220.

The previous prime is 1003341193. The next prime is 1003341223. The reversal of 1003341221 is 1221433001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930921121 + 72420100 = 30511^2 + 8510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003341221 - 2²⁶ = 936232357 is a prime.

Together with 1003341223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003341221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003341223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501670610 + 501670611.

It is an arithmetic number, because the mean of its divisors is an integer number (501670611).

Almost surely, 2^1003341221 is an apocalyptic number.

It is an amenable number.

1003341221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003341221 is an equidigital number, since it uses as much as digits as its factorization.

1003341221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1003341221 is about 31675.5618892546. The cubic root of 1003341221 is about 1001.1125022132.

Adding to 1003341221 its reverse (1221433001), we get a palindrome (2224774222).

The spelling of 1003341221 in words is "one billion, three million, three hundred forty-one thousand, two hundred twenty-one".