2222222217247 has 2 divisors, whose sum is σ = 2222222217248. Its totient is φ = 2222222217246.

The previous prime is 2222222217179. The next prime is 2222222217263. The reversal of 2222222217247 is 7427122222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222222217247 - 2³⁹ = 1672466403359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222222215247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111111108623 + 1111111108624.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111108624).

Almost surely, 2^{2222222217247} is an apocalyptic number.

2222222217247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222222217247 is an equidigital number, since it uses as much as digits as its factorization.

2222222217247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 37.

Adding to 2222222217247 its reverse (7427122222222), we get a palindrome (9649344439469).

The spelling of 2222222217247 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred seventeen thousand, two hundred forty-seven".