22323333220321 has 4 divisors (see below), whose sum is σ = 25512380823232. Its totient is φ = 19134285617412.

The previous prime is 22323333220169. The next prime is 22323333220333. The reversal of 22323333220321 is 12302233332322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22323333220321 - 2²⁹ = 22322796349409 is a prime.

It is a super-3 number, since 3×22323333220321³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22323333220921) 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, 1594523801445 + ... + 1594523801458.

It is an arithmetic number, because the mean of its divisors is an integer number (6378095205808).

Almost surely, 2^{22323333220321} is an apocalyptic number.

It is an amenable number.

22323333220321 is a deficient number, since it is larger than the sum of its proper divisors (3189047602911).

22323333220321 is an equidigital number, since it uses as much as digits as its factorization.

22323333220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189047602910.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 22323333220321 its reverse (12302233332322), we get a palindrome (34625566552643).

The spelling of 22323333220321 in words is "twenty-two trillion, three hundred twenty-three billion, three hundred thirty-three million, two hundred twenty thousand, three hundred twenty-one".