2221002313 has 4 divisors (see below), whose sum is σ = 2258646480. Its totient is φ = 2183358148.

The previous prime is 2221002271. The next prime is 2221002341. The reversal of 2221002313 is 3132001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221002373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18821995 + ... + 18822112.

It is an arithmetic number, because the mean of its divisors is an integer number (564661620).

Almost surely, 2^2221002313 is an apocalyptic number.

It is an amenable number.

2221002313 is a deficient number, since it is larger than the sum of its proper divisors (37644167).

2221002313 is an equidigital number, since it uses as much as digits as its factorization.

2221002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37644166.

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

The square root of 2221002313 is about 47127.5112116055. The cubic root of 2221002313 is about 1304.7170475242.

Adding to 2221002313 its reverse (3132001222), we get a palindrome (5353003535).

The spelling of 2221002313 in words is "two billion, two hundred twenty-one million, two thousand, three hundred thirteen".