22245423321 has 16 divisors (see below), whose sum is σ = 34260331968. Its totient is φ = 12689011200.

The previous prime is 22245423311. The next prime is 22245423413. The reversal of 22245423321 is 12332454222.

It is not a de Polignac number, because 22245423321 - 2⁶ = 22245423257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22245423311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19826020 + ... + 19827141.

It is an arithmetic number, because the mean of its divisors is an integer number (2141270748).

Almost surely, 2^22245423321 is an apocalyptic number.

It is an amenable number.

22245423321 is a deficient number, since it is larger than the sum of its proper divisors (12014908647).

22245423321 is a wasteful number, since it uses less digits than its factorization.

22245423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653192.

The product of its digits is 23040, while the sum is 30.

Adding to 22245423321 its reverse (12332454222), we get a palindrome (34577877543).

The spelling of 22245423321 in words is "twenty-two billion, two hundred forty-five million, four hundred twenty-three thousand, three hundred twenty-one".