220221012222347 has 2 divisors, whose sum is σ = 220221012222348. Its totient is φ = 220221012222346.

The previous prime is 220221012222247. The next prime is 220221012222467. The reversal of 220221012222347 is 743222210122022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220221012222347 - 2¹⁸ = 220221011960203 is a prime.

It is not a weakly prime, because it can be changed into another prime (220221012222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110506111173 + 110110506111174.

It is an arithmetic number, because the mean of its divisors is an integer number (110110506111174).

Almost surely, 2^{220221012222347} is an apocalyptic number.

220221012222347 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221012222347 is an equidigital number, since it uses as much as digits as its factorization.

220221012222347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 220221012222347 its reverse (743222210122022), we get a palindrome (963443222344369).

The spelling of 220221012222347 in words is "two hundred twenty trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, three hundred forty-seven".