22131097889 has 2 divisors, whose sum is σ = 22131097890. Its totient is φ = 22131097888.

The previous prime is 22131097871. The next prime is 22131097907. The reversal of 22131097889 is 98879013122.

It is a balanced prime because it is at equal distance from previous prime (22131097871) and next prime (22131097907).

It can be written as a sum of positive squares in only one way, i.e., 19920499600 + 2210598289 = 141140^2 + 47017^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131097889 - 2²⁰ = 22130049313 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131097819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065548944 + 11065548945.

It is an arithmetic number, because the mean of its divisors is an integer number (11065548945).

Almost surely, 2^22131097889 is an apocalyptic number.

It is an amenable number.

22131097889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131097889 is an equidigital number, since it uses as much as digits as its factorization.

22131097889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 22131097889 in words is "twenty-two billion, one hundred thirty-one million, ninety-seven thousand, eight hundred eighty-nine".