323222203130221 has 4 divisors (see below), whose sum is σ = 323222239252444. Its totient is φ = 323222167008000.

The previous prime is 323222203130179. The next prime is 323222203130257. The reversal of 323222203130221 is 122031302222323.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 239591361030121 + 83630842100100 = 15478739^2 + 9144990^2 .

It is a cyclic number.

It is not a de Polignac number, because 323222203130221 - 2³⁷ = 323084764176749 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 323222203130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323222203130261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6440491 + ... + 26228311.

It is an arithmetic number, because the mean of its divisors is an integer number (80805559813111).

Almost surely, 2^{323222203130221} is an apocalyptic number.

It is an amenable number.

323222203130221 is a deficient number, since it is larger than the sum of its proper divisors (36122223).

323222203130221 is a wasteful number, since it uses less digits than its factorization.

323222203130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36122222.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 323222203130221 its reverse (122031302222323), we get a palindrome (445253505352544).

The spelling of 323222203130221 in words is "three hundred twenty-three trillion, two hundred twenty-two billion, two hundred three million, one hundred thirty thousand, two hundred twenty-one".