2221003003 has 2 divisors, whose sum is σ = 2221003004. Its totient is φ = 2221003002.

The previous prime is 2221002991. The next prime is 2221003009. The reversal of 2221003003 is 3003001222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221003003 is a prime.

2221003003 is a modest number, since divided by 3003 gives 2221 as remainder.

It is not a weakly prime, because it can be changed into another prime (2221003009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501501 + 1110501502.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501502).

Almost surely, 2^2221003003 is an apocalyptic number.

2221003003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221003003 is an equidigital number, since it uses as much as digits as its factorization.

2221003003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2221003003 is about 47127.5185321697. The cubic root of 2221003003 is about 1304.7171826365.

Adding to 2221003003 its reverse (3003001222), we get a palindrome (5224004225).

The spelling of 2221003003 in words is "two billion, two hundred twenty-one million, three thousand, three".