22050689 has 2 divisors, whose sum is σ = 22050690. Its totient is φ = 22050688.

The previous prime is 22050673. The next prime is 22050739. The reversal of 22050689 is 98605022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15249025 + 6801664 = 3905^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050689 - 2⁴ = 22050673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22050289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025344 + 11025345.

It is an arithmetic number, because the mean of its divisors is an integer number (11025345).

Almost surely, 2^22050689 is an apocalyptic number.

It is an amenable number.

22050689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050689 is an equidigital number, since it uses as much as digits as its factorization.

22050689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 22050689 is about 4695.8161165020. The cubic root of 22050689 is about 280.4189688654.

The spelling of 22050689 in words is "twenty-two million, fifty thousand, six hundred eighty-nine".