2220212117 has 2 divisors, whose sum is σ = 2220212118. Its totient is φ = 2220212116.

The previous prime is 2220212083. The next prime is 2220212119. The reversal of 2220212117 is 7112120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1747323601 + 472888516 = 41801^2 + 21746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220212117 - 2¹⁶ = 2220146581 is a prime.

Together with 2220212119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220212119) 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, 1110106058 + 1110106059.

It is an arithmetic number, because the mean of its divisors is an integer number (1110106059).

Almost surely, 2^2220212117 is an apocalyptic number.

It is an amenable number.

2220212117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220212117 is an equidigital number, since it uses as much as digits as its factorization.

2220212117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2220212117 is about 47119.1268700938. The cubic root of 2220212117 is about 1304.5622968996.

Adding to 2220212117 its reverse (7112120222), we get a palindrome (9332332339).

The spelling of 2220212117 in words is "two billion, two hundred twenty million, two hundred twelve thousand, one hundred seventeen".