22300222322321 has 4 divisors (see below), whose sum is σ = 22300535805732. Its totient is φ = 22299908838912.

The previous prime is 22300222322269. The next prime is 22300222322347. The reversal of 22300222322321 is 12322322200322.

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 5539263502096 + 16760958820225 = 2353564^2 + 4094015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22300222322321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22300222322821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156634976 + ... + 156777281.

It is an arithmetic number, because the mean of its divisors is an integer number (5575133951433).

Almost surely, 2^{22300222322321} is an apocalyptic number.

It is an amenable number.

22300222322321 is a deficient number, since it is larger than the sum of its proper divisors (313483411).

22300222322321 is an equidigital number, since it uses as much as digits as its factorization.

22300222322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313483410.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22300222322321 its reverse (12322322200322), we get a palindrome (34622544522643).

The spelling of 22300222322321 in words is "twenty-two trillion, three hundred billion, two hundred twenty-two million, three hundred twenty-two thousand, three hundred twenty-one".