2212171573 has 2 divisors, whose sum is σ = 2212171574. Its totient is φ = 2212171572.

The previous prime is 2212171567. The next prime is 2212171613. The reversal of 2212171573 is 3751712122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088672804 + 123498769 = 45702^2 + 11113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212171573 - 2⁵ = 2212171541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212171553) 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, 1106085786 + 1106085787.

It is an arithmetic number, because the mean of its divisors is an integer number (1106085787).

Almost surely, 2^2212171573 is an apocalyptic number.

It is an amenable number.

2212171573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212171573 is an equidigital number, since it uses as much as digits as its factorization.

2212171573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 2212171573 is about 47033.7280363783. The cubic root of 2212171573 is about 1302.9855588752.

Adding to 2212171573 its reverse (3751712122), we get a palindrome (5963883695).

The spelling of 2212171573 in words is "two billion, two hundred twelve million, one hundred seventy-one thousand, five hundred seventy-three".