222221211010247 has 2 divisors, whose sum is σ = 222221211010248. Its totient is φ = 222221211010246.

The previous prime is 222221211010199. The next prime is 222221211010259. The reversal of 222221211010247 is 742010112122222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222221211010247 - 2²⁸ = 222220942574791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221211010847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110605505123 + 111110605505124.

It is an arithmetic number, because the mean of its divisors is an integer number (111110605505124).

Almost surely, 2^{222221211010247} is an apocalyptic number.

222221211010247 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221211010247 is an equidigital number, since it uses as much as digits as its factorization.

222221211010247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 222221211010247 its reverse (742010112122222), we get a palindrome (964231323132469).

The spelling of 222221211010247 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, ten thousand, two hundred forty-seven".