22154320326 has 32 divisors (see below), whose sum is σ = 44856177408. Its totient is φ = 7293572000.

The previous prime is 22154320313. The next prime is 22154320327. The reversal of 22154320326 is 62302345122.

It is a junction number, because it is equal to n+sod(n) for n = 22154320293 and 22154320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154320327) 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, 2735455 + ... + 2743541.

It is an arithmetic number, because the mean of its divisors is an integer number (1401755544).

Almost surely, 2^22154320326 is an apocalyptic number.

22154320326 is an abundant number, since it is smaller than the sum of its proper divisors (22701857082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22154320326 is a wasteful number, since it uses less digits than its factorization.

22154320326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 22154320326 its reverse (62302345122), we get a palindrome (84456665448).

The spelling of 22154320326 in words is "twenty-two billion, one hundred fifty-four million, three hundred twenty thousand, three hundred twenty-six".