22213023321 has 16 divisors (see below), whose sum is σ = 29990511936. Its totient is φ = 14622302976.

The previous prime is 22213023317. The next prime is 22213023331. The reversal of 22213023321 is 12332031222.

It is a happy number.

It is not a de Polignac number, because 22213023321 - 2² = 22213023317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22213023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453021 + ... + 499653.

It is an arithmetic number, because the mean of its divisors is an integer number (1874406996).

Almost surely, 2^22213023321 is an apocalyptic number.

It is an amenable number.

22213023321 is a deficient number, since it is larger than the sum of its proper divisors (7777488615).

22213023321 is a wasteful number, since it uses less digits than its factorization.

22213023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48632.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22213023321 its reverse (12332031222), we get a palindrome (34545054543).

The spelling of 22213023321 in words is "twenty-two billion, two hundred thirteen million, twenty-three thousand, three hundred twenty-one".