22224132321 has 8 divisors (see below), whose sum is σ = 29637435360. Its totient is φ = 14813458752.

The previous prime is 22224132263. The next prime is 22224132347. The reversal of 22224132321 is 12323142222.

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

It is not a de Polignac number, because 22224132321 - 2¹⁵ = 22224099553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22224132291 and 22224132300.

It is not an unprimeable number, because it can be changed into a prime (22224132391) 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, 637560 + ... + 671513.

It is an arithmetic number, because the mean of its divisors is an integer number (3704679420).

Almost surely, 2^22224132321 is an apocalyptic number.

It is an amenable number.

22224132321 is a deficient number, since it is larger than the sum of its proper divisors (7413303039).

22224132321 is a wasteful number, since it uses less digits than its factorization.

22224132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314735.

The product of its digits is 2304, while the sum is 24.

Adding to 22224132321 its reverse (12323142222), we get a palindrome (34547274543).

Subtracting from 22224132321 its reverse (12323142222), we obtain a palindrome (9900990099).

The spelling of 22224132321 in words is "twenty-two billion, two hundred twenty-four million, one hundred thirty-two thousand, three hundred twenty-one".