22222112089 has 2 divisors, whose sum is σ = 22222112090. Its totient is φ = 22222112088.

The previous prime is 22222112047. The next prime is 22222112119. The reversal of 22222112089 is 98021122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21628702489 + 593409600 = 147067^2 + 24360^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222112089 - 2²³ = 22213723481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222112089.

It is not a weakly prime, because it can be changed into another prime (22222115089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111056044 + 11111056045.

It is an arithmetic number, because the mean of its divisors is an integer number (11111056045).

Almost surely, 2^22222112089 is an apocalyptic number.

It is an amenable number.

22222112089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222112089 is an equidigital number, since it uses as much as digits as its factorization.

22222112089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 22222112089 in words is "twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, eighty-nine".