217225067 has 2 divisors, whose sum is σ = 217225068. Its totient is φ = 217225066.

The previous prime is 217225061. The next prime is 217225147. The reversal of 217225067 is 760522712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 217225067 - 2¹⁰ = 217224043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (217225061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108612533 + 108612534.

It is an arithmetic number, because the mean of its divisors is an integer number (108612534).

Almost surely, 2^217225067 is an apocalyptic number.

217225067 is a deficient number, since it is larger than the sum of its proper divisors (1).

217225067 is an equidigital number, since it uses as much as digits as its factorization.

217225067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 217225067 is about 14738.5571546200. The cubic root of 217225067 is about 601.1321835532.

Adding to 217225067 its reverse (760522712), we get a palindrome (977747779).

The spelling of 217225067 in words is "two hundred seventeen million, two hundred twenty-five thousand, sixty-seven".