22321003321 has 8 divisors (see below), whose sum is σ = 22414108104. Its totient is φ = 22227947520.

The previous prime is 22321003291. The next prime is 22321003379. The reversal of 22321003321 is 12330012322.

It can be written as a sum of positive squares in 4 ways, for example, as 3760755625 + 18560247696 = 61325^2 + 136236^2 .

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 22321003321 - 2⁷ = 22321003193 is a prime.

It is a super-3 number, since 3×22321003321³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22321003381) 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, 1113931 + ... + 1133791.

It is an arithmetic number, because the mean of its divisors is an integer number (2801763513).

Almost surely, 2^22321003321 is an apocalyptic number.

It is an amenable number.

22321003321 is a deficient number, since it is larger than the sum of its proper divisors (93104783).

22321003321 is a wasteful number, since it uses less digits than its factorization.

22321003321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24491.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22321003321 its reverse (12330012322), we get a palindrome (34651015643).

Subtracting from 22321003321 its reverse (12330012322), we obtain a palindrome (9990990999).

The spelling of 22321003321 in words is "twenty-two billion, three hundred twenty-one million, three thousand, three hundred twenty-one".