1222234320173 has 2 divisors, whose sum is σ = 1222234320174. Its totient is φ = 1222234320172.

The previous prime is 1222234320137. The next prime is 1222234320221. The reversal of 1222234320173 is 3710234322221.

Together with previous prime (1222234320137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852421953289 + 369812366884 = 923267^2 + 608122^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222234320173 - 2³⁴ = 1205054450989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222234325173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611117160086 + 611117160087.

It is an arithmetic number, because the mean of its divisors is an integer number (611117160087).

Almost surely, 2^{1222234320173} is an apocalyptic number.

It is an amenable number.

1222234320173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222234320173 is an equidigital number, since it uses as much as digits as its factorization.

1222234320173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 1222234320173 its reverse (3710234322221), we get a palindrome (4932468642394).

The spelling of 1222234320173 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-four million, three hundred twenty thousand, one hundred seventy-three".