22000289 has 2 divisors, whose sum is σ = 22000290. Its totient is φ = 22000288.

The previous prime is 22000249. The next prime is 22000291. The reversal of 22000289 is 98200022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 5678689 = 4040^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000289 - 2¹⁶ = 21934753 is a prime.

Together with 22000291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22000249) 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, 11000144 + 11000145.

It is an arithmetic number, because the mean of its divisors is an integer number (11000145).

Almost surely, 2^22000289 is an apocalyptic number.

It is an amenable number.

22000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000289 is an equidigital number, since it uses as much as digits as its factorization.

22000289 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 23.

The square root of 22000289 is about 4690.4465672258. The cubic root of 22000289 is about 280.2051600138.

The spelling of 22000289 in words is "twenty-two million, two hundred eighty-nine", and thus it is an aban number.