22331022321 has 16 divisors (see below), whose sum is σ = 30505628160. Its totient is φ = 14521994880.

The previous prime is 22331022187. The next prime is 22331022353. The reversal of 22331022321 is 12322013322.

It is a happy number.

It is not a de Polignac number, because 22331022321 - 2¹⁷ = 22330891249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22331022361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230711 + ... + 1248723.

It is an arithmetic number, because the mean of its divisors is an integer number (1906601760).

Almost surely, 2^22331022321 is an apocalyptic number.

It is an amenable number.

22331022321 is a deficient number, since it is larger than the sum of its proper divisors (8174605839).

22331022321 is a wasteful number, since it uses less digits than its factorization.

22331022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28136.

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

Adding to 22331022321 its reverse (12322013322), we get a palindrome (34653035643).

The spelling of 22331022321 in words is "twenty-two billion, three hundred thirty-one million, twenty-two thousand, three hundred twenty-one".