22485017 has 2 divisors, whose sum is σ = 22485018. Its totient is φ = 22485016.

The previous prime is 22484963. The next prime is 22485019. The reversal of 22485017 is 71058422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22458121 + 26896 = 4739^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 22485017 - 2⁶ = 22484953 is a prime.

Together with 22485019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22485019) 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, 11242508 + 11242509.

It is an arithmetic number, because the mean of its divisors is an integer number (11242509).

Almost surely, 2^22485017 is an apocalyptic number.

It is an amenable number.

22485017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22485017 is an equidigital number, since it uses as much as digits as its factorization.

22485017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22485017 is about 4741.8368803661. The cubic root of 22485017 is about 282.2481301147.

The spelling of 22485017 in words is "twenty-two million, four hundred eighty-five thousand, seventeen".