22231204442321 has 8 divisors (see below), whose sum is σ = 25407148443264. Its totient is φ = 19055274854400.

The previous prime is 22231204442257. The next prime is 22231204442327. The reversal of 22231204442321 is 12324440213222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22231204442321 - 2⁶ = 22231204442257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22231204442327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66605 + ... + 6668346.

It is an arithmetic number, because the mean of its divisors is an integer number (3175893555408).

Almost surely, 2^{22231204442321} is an apocalyptic number.

It is an amenable number.

22231204442321 is a deficient number, since it is larger than the sum of its proper divisors (3175944000943).

22231204442321 is an equidigital number, since it uses as much as digits as its factorization.

22231204442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206511.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 22231204442321 its reverse (12324440213222), we get a palindrome (34555644655543).

The spelling of 22231204442321 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred four million, four hundred forty-two thousand, three hundred twenty-one".