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122232222173 is a prime number
BaseRepresentation
bin111000111010110011…
…0111011000111011101
3102200111120111020122202
41301311212323013131
54000312422102143
6132052552421245
711555012513525
oct1616546730735
9380446436582
10122232222173
11479249a2736
121b8333a7825
13b6ac7bb2a9
145cb79b0685
1532a5e39ab8
hex1c759bb1dd

122232222173 has 2 divisors, whose sum is σ = 122232222174. Its totient is φ = 122232222172.

The previous prime is 122232222149. The next prime is 122232222191. The reversal of 122232222173 is 371222232221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81080854009 + 41151368164 = 284747^2 + 202858^2 .

It is a cyclic number.

It is not a de Polignac number, because 122232222173 - 214 = 122232205789 is a prime.

It is a super-2 number, since 2×1222322221732 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122232222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61116111086 + 61116111087.

It is an arithmetic number, because the mean of its divisors is an integer number (61116111087).

Almost surely, 2122232222173 is an apocalyptic number.

It is an amenable number.

122232222173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122232222173 is an equidigital number, since it uses as much as digits as its factorization.

122232222173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

Adding to 122232222173 its reverse (371222232221), we get a palindrome (493454454394).

The spelling of 122232222173 in words is "one hundred twenty-two billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred seventy-three".