2221203302323 has 4 divisors (see below), whose sum is σ = 2221206923320. Its totient is φ = 2221199681328.

The previous prime is 2221203302317. The next prime is 2221203302377. The reversal of 2221203302323 is 3232033021222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221203302323 - 2²⁵ = 2221169747891 is a prime.

It is a super-2 number, since 2×2221203302323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221203302303) 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 3 ways as a sum of consecutive naturals, for example, 636690 + ... + 2201767.

It is an arithmetic number, because the mean of its divisors is an integer number (555301730830).

Almost surely, 2^{2221203302323} is an apocalyptic number.

2221203302323 is a deficient number, since it is larger than the sum of its proper divisors (3620997).

2221203302323 is an equidigital number, since it uses as much as digits as its factorization.

2221203302323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620996.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 2221203302323 its reverse (3232033021222), we get a palindrome (5453236323545).

The spelling of 2221203302323 in words is "two trillion, two hundred twenty-one billion, two hundred three million, three hundred two thousand, three hundred twenty-three".