22333042321 has 4 divisors (see below), whose sum is σ = 22754420532. Its totient is φ = 21911664112.

The previous prime is 22333042313. The next prime is 22333042327. The reversal of 22333042321 is 12324033322.

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 17407108096 + 4925934225 = 131936^2 + 70185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22333042321 - 2³ = 22333042313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22333042327) 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, 210689026 + ... + 210689131.

It is an arithmetic number, because the mean of its divisors is an integer number (5688605133).

Almost surely, 2^22333042321 is an apocalyptic number.

It is an amenable number.

22333042321 is a deficient number, since it is larger than the sum of its proper divisors (421378211).

22333042321 is an equidigital number, since it uses as much as digits as its factorization.

22333042321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421378210.

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

Adding to 22333042321 its reverse (12324033322), we get a palindrome (34657075643).

The spelling of 22333042321 in words is "twenty-two billion, three hundred thirty-three million, forty-two thousand, three hundred twenty-one".