22050911 has 2 divisors, whose sum is σ = 22050912. Its totient is φ = 22050910.

The previous prime is 22050901. The next prime is 22050929. The reversal of 22050911 is 11905022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22050911 - 2¹⁰ = 22049887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22050901) 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, 11025455 + 11025456.

It is an arithmetic number, because the mean of its divisors is an integer number (11025456).

Almost surely, 2^22050911 is an apocalyptic number.

22050911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050911 is an equidigital number, since it uses as much as digits as its factorization.

22050911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 22050911 is about 4695.8397545061. The cubic root of 22050911 is about 280.4199099214.

Adding to 22050911 its reverse (11905022), we get a palindrome (33955933).

The spelling of 22050911 in words is "twenty-two million, fifty thousand, nine hundred eleven".