22112089 has 2 divisors, whose sum is σ = 22112090. Its totient is φ = 22112088.

The previous prime is 22112081. The next prime is 22112093. The reversal of 22112089 is 98021122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 3553225 = 4308^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112089 - 2³ = 22112081 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056044 + 11056045.

It is an arithmetic number, because the mean of its divisors is an integer number (11056045).

Almost surely, 2^22112089 is an apocalyptic number.

It is an amenable number.

22112089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112089 is an equidigital number, since it uses as much as digits as its factorization.

22112089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 22112089 is about 4702.3493064637. The cubic root of 22112089 is about 280.6790025916.

The spelling of 22112089 in words is "twenty-two million, one hundred twelve thousand, eighty-nine".