2212151717 has 2 divisors, whose sum is σ = 2212151718. Its totient is φ = 2212151716.

The previous prime is 2212151677. The next prime is 2212151737. The reversal of 2212151717 is 7171512122.

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., 1989962881 + 222188836 = 44609^2 + 14906^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212151717 - 2¹⁴ = 2212135333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212151717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212151737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106075858 + 1106075859.

It is an arithmetic number, because the mean of its divisors is an integer number (1106075859).

Almost surely, 2^2212151717 is an apocalyptic number.

It is an amenable number.

2212151717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212151717 is an equidigital number, since it uses as much as digits as its factorization.

2212151717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 29.

The square root of 2212151717 is about 47033.5169533387. The cubic root of 2212151717 is about 1302.9816604194.

Adding to 2212151717 its reverse (7171512122), we get a palindrome (9383663839).

The spelling of 2212151717 in words is "two billion, two hundred twelve million, one hundred fifty-one thousand, seven hundred seventeen".