2221202212247 has 2 divisors, whose sum is σ = 2221202212248. Its totient is φ = 2221202212246.

The previous prime is 2221202212189. The next prime is 2221202212249. The reversal of 2221202212247 is 7422122021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221202212247 - 2²² = 2221198017943 is a prime.

Together with 2221202212249, 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 (2221202212249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110601106123 + 1110601106124.

It is an arithmetic number, because the mean of its divisors is an integer number (1110601106124).

Almost surely, 2^{2221202212247} is an apocalyptic number.

2221202212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221202212247 is an equidigital number, since it uses as much as digits as its factorization.

2221202212247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 2221202212247 its reverse (7422122021222), we get a palindrome (9643324233469).

The spelling of 2221202212247 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, two hundred forty-seven".