22005833 has 2 divisors, whose sum is σ = 22005834. Its totient is φ = 22005832.

The previous prime is 22005829. The next prime is 22005853. The reversal of 22005833 is 33850022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13053769 + 8952064 = 3613^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005833 - 2² = 22005829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22005799 and 22005808.

It is not a weakly prime, because it can be changed into another prime (22005853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002916 + 11002917.

It is an arithmetic number, because the mean of its divisors is an integer number (11002917).

Almost surely, 2^22005833 is an apocalyptic number.

It is an amenable number.

22005833 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005833 is an equidigital number, since it uses as much as digits as its factorization.

22005833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22005833 is about 4691.0375185027. The cubic root of 22005833 is about 280.2286949612.

Adding to 22005833 its reverse (33850022), we get a palindrome (55855855).

The spelling of 22005833 in words is "twenty-two million, five thousand, eight hundred thirty-three".