222302214217 has 2 divisors, whose sum is σ = 222302214218. Its totient is φ = 222302214216.

The previous prime is 222302214179. The next prime is 222302214227. The reversal of 222302214217 is 712412203222.

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., 216607398921 + 5694815296 = 465411^2 + 75464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222302214217 is a prime.

It is not a weakly prime, because it can be changed into another prime (222302214227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151107108 + 111151107109.

It is an arithmetic number, because the mean of its divisors is an integer number (111151107109).

Almost surely, 2^222302214217 is an apocalyptic number.

It is an amenable number.

222302214217 is a deficient number, since it is larger than the sum of its proper divisors (1).

222302214217 is an equidigital number, since it uses as much as digits as its factorization.

222302214217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 222302214217 its reverse (712412203222), we get a palindrome (934714417439).

The spelling of 222302214217 in words is "two hundred twenty-two billion, three hundred two million, two hundred fourteen thousand, two hundred seventeen".