22000109489 has 2 divisors, whose sum is σ = 22000109490. Its totient is φ = 22000109488.

The previous prime is 22000109441. The next prime is 22000109533. The reversal of 22000109489 is 98490100022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21939534400 + 60575089 = 148120^2 + 7783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000109489 is a prime.

It is a super-2 number, since 2×22000109489² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22000109389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000054744 + 11000054745.

It is an arithmetic number, because the mean of its divisors is an integer number (11000054745).

Almost surely, 2^22000109489 is an apocalyptic number.

It is an amenable number.

22000109489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000109489 is an equidigital number, since it uses as much as digits as its factorization.

22000109489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 22000109489 in words is "twenty-two billion, one hundred nine thousand, four hundred eighty-nine".