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122222322193 is a prime number
BaseRepresentation
bin111000111010100000…
…1001010001000010001
3102200110212212021102211
41301311001022020101
54000302403302233
6132052000312121
711554532411566
oct1616501121021
9380425767384
10122222322193
114791a350734
121b830012641
13b6aa73310a
145cb655486d
1532a51315cd
hex1c7504a211

122222322193 has 2 divisors, whose sum is σ = 122222322194. Its totient is φ = 122222322192.

The previous prime is 122222322139. The next prime is 122222322293. The reversal of 122222322193 is 391223222221.

It is a happy number.

Together with previous prime (122222322139) 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., 90982466689 + 31239855504 = 301633^2 + 176748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122222322193 is a prime.

It is not a weakly prime, because it can be changed into another prime (122222322293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111161096 + 61111161097.

It is an arithmetic number, because the mean of its divisors is an integer number (61111161097).

Almost surely, 2122222322193 is an apocalyptic number.

It is an amenable number.

122222322193 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222322193 is an equidigital number, since it uses as much as digits as its factorization.

122222322193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The spelling of 122222322193 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred twenty-two thousand, one hundred ninety-three".