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122201122237 is a prime number
BaseRepresentation
bin111000111001111000…
…0010010010110111101
3102200102101222012120021
41301303300102112331
54000231441402422
6132045522052141
711554154254255
oct1616360222675
9380371865507
10122201122237
1147909390907
121b824aaa051
13b6a621c76c
145cb37d6965
1532a3344dc7
hex1c73c125bd

122201122237 has 2 divisors, whose sum is σ = 122201122238. Its totient is φ = 122201122236.

The previous prime is 122201122193. The next prime is 122201122259. The reversal of 122201122237 is 732221102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90737103076 + 31464019161 = 301226^2 + 177381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122201122237 is a prime.

It is a super-2 number, since 2×1222011222372 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122201122937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100561118 + 61100561119.

It is an arithmetic number, because the mean of its divisors is an integer number (61100561119).

Almost surely, 2122201122237 is an apocalyptic number.

It is an amenable number.

122201122237 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201122237 is an equidigital number, since it uses as much as digits as its factorization.

122201122237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 122201122237 its reverse (732221102221), we get a palindrome (854422224458).

The spelling of 122201122237 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, two hundred thirty-seven".