22065431326 has 16 divisors (see below), whose sum is σ = 33357855024. Its totient is φ = 10946481984.

The previous prime is 22065431321. The next prime is 22065431327. The reversal of 22065431326 is 62313456022.

It is a junction number, because it is equal to n+sod(n) for n = 22065431291 and 22065431300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065431321) 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 7 ways as a sum of consecutive naturals, for example, 48220 + ... + 215536.

It is an arithmetic number, because the mean of its divisors is an integer number (2084865939).

Almost surely, 2^22065431326 is an apocalyptic number.

22065431326 is a deficient number, since it is larger than the sum of its proper divisors (11292423698).

22065431326 is a wasteful number, since it uses less digits than its factorization.

22065431326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167835.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 22065431326 its reverse (62313456022), we get a palindrome (84378887348).

The spelling of 22065431326 in words is "twenty-two billion, sixty-five million, four hundred thirty-one thousand, three hundred twenty-six".