22708241 has 2 divisors, whose sum is σ = 22708242. Its totient is φ = 22708240.

The previous prime is 22708237. The next prime is 22708267. The reversal of 22708241 is 14280722.

It is an a-pointer prime, because the next prime (22708267) can be obtained adding 22708241 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17850625 + 4857616 = 4225^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 22708241 - 2² = 22708237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22708241.

It is not a weakly prime, because it can be changed into another prime (22708201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354120 + 11354121.

It is an arithmetic number, because the mean of its divisors is an integer number (11354121).

Almost surely, 2^22708241 is an apocalyptic number.

It is an amenable number.

22708241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22708241 is an equidigital number, since it uses as much as digits as its factorization.

22708241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 22708241 is about 4765.3164637829. The cubic root of 22708241 is about 283.1790789723.

Adding to 22708241 its reverse (14280722), we get a palindrome (36988963).

The spelling of 22708241 in words is "twenty-two million, seven hundred eight thousand, two hundred forty-one".