22303231321 has 8 divisors (see below), whose sum is σ = 25514090624. Its totient is φ = 19098542880.

The previous prime is 22303231319. The next prime is 22303231337. The reversal of 22303231321 is 12313230322.

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 22303231321 - 2¹ = 22303231319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22303231292 and 22303231301.

It is not an unprimeable number, because it can be changed into a prime (22303231361) 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, 1534965 + ... + 1549426.

It is an arithmetic number, because the mean of its divisors is an integer number (3189261328).

Almost surely, 2^22303231321 is an apocalyptic number.

It is an amenable number.

22303231321 is a deficient number, since it is larger than the sum of its proper divisors (3210859303).

22303231321 is a wasteful number, since it uses less digits than its factorization.

22303231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085431.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22303231321 its reverse (12313230322), we get a palindrome (34616461643).

Subtracting from 22303231321 its reverse (12313230322), we obtain a palindrome (9990000999).

The spelling of 22303231321 in words is "twenty-two billion, three hundred three million, two hundred thirty-one thousand, three hundred twenty-one".