222021320347 has 2 divisors, whose sum is σ = 222021320348. Its totient is φ = 222021320346.

The previous prime is 222021320321. The next prime is 222021320383. The reversal of 222021320347 is 743023120222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222021320347 is a prime.

It is not a weakly prime, because it can be changed into another prime (222021320947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010660173 + 111010660174.

It is an arithmetic number, because the mean of its divisors is an integer number (111010660174).

Almost surely, 2^222021320347 is an apocalyptic number.

222021320347 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021320347 is an equidigital number, since it uses as much as digits as its factorization.

222021320347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 222021320347 its reverse (743023120222), we get a palindrome (965044440569).

The spelling of 222021320347 in words is "two hundred twenty-two billion, twenty-one million, three hundred twenty thousand, three hundred forty-seven".