22005241 has 2 divisors, whose sum is σ = 22005242. Its totient is φ = 22005240.

The previous prime is 22005199. The next prime is 22005271. The reversal of 22005241 is 14250022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21427641 + 577600 = 4629^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005241 - 2¹⁵ = 21972473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22005271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002620 + 11002621.

It is an arithmetic number, because the mean of its divisors is an integer number (11002621).

Almost surely, 2^22005241 is an apocalyptic number.

It is an amenable number.

22005241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005241 is an equidigital number, since it uses as much as digits as its factorization.

22005241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22005241 is about 4690.9744190307. The cubic root of 22005241 is about 280.2261820385.

Adding to 22005241 its reverse (14250022), we get a palindrome (36255263).

The spelling of 22005241 in words is "twenty-two million, five thousand, two hundred forty-one".