22254017 has 2 divisors, whose sum is σ = 22254018. Its totient is φ = 22254016.

The previous prime is 22253993. The next prime is 22254019. The reversal of 22254017 is 71045222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 201601 = 4696^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 22254017 - 2⁶ = 22253953 is a prime.

Together with 22254019, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22253983 and 22254001.

It is not a weakly prime, because it can be changed into another prime (22254019) 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, 11127008 + 11127009.

It is an arithmetic number, because the mean of its divisors is an integer number (11127009).

Almost surely, 2^22254017 is an apocalyptic number.

It is an amenable number.

22254017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254017 is an equidigital number, since it uses as much as digits as its factorization.

22254017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22254017 is about 4717.4163479600. The cubic root of 22254017 is about 281.2782416414.

Adding to 22254017 its reverse (71045222), we get a palindrome (93299239).

The spelling of 22254017 in words is "twenty-two million, two hundred fifty-four thousand, seventeen".