2223203332321 has 4 divisors (see below), whose sum is σ = 2228639037700. Its totient is φ = 2217767626944.

The previous prime is 2223203332271. The next prime is 2223203332381. The reversal of 2223203332321 is 1232333023222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2120841728721 + 102361603600 = 1456311^2 + 319940^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223203332321 - 2¹¹ = 2223203330273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223203332321.

It is not an unprimeable number, because it can be changed into a prime (2223203332381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2717852076 + ... + 2717852893.

It is an arithmetic number, because the mean of its divisors is an integer number (557159759425).

Almost surely, 2^{2223203332321} is an apocalyptic number.

It is an amenable number.

2223203332321 is a deficient number, since it is larger than the sum of its proper divisors (5435705379).

2223203332321 is an equidigital number, since it uses as much as digits as its factorization.

2223203332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435705378.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 2223203332321 its reverse (1232333023222), we get a palindrome (3455536355543).

The spelling of 2223203332321 in words is "two trillion, two hundred twenty-three billion, two hundred three million, three hundred thirty-two thousand, three hundred twenty-one".