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2212022220169 is a prime number
BaseRepresentation
bin100000001100000110110…
…011000111010110001001
321211110121122001121011011
4200030012303013112021
5242220210142021134
64412104453003521
7315545654432446
oct40140663072611
97743548047134
102212022220169
1178312796aa33
122b88559235a1
131307924c7b98
14790c34d49cd
153c816b11264
hex20306cc7589

2212022220169 has 2 divisors, whose sum is σ = 2212022220170. Its totient is φ = 2212022220168.

The previous prime is 2212022220103. The next prime is 2212022220277. The reversal of 2212022220169 is 9610222202122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1991697125625 + 220325094544 = 1411275^2 + 469388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212022220169 - 211 = 2212022218121 is a prime.

It is a super-2 number, since 2×22120222201692 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212022220169.

It is not a weakly prime, because it can be changed into another prime (2212022290169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106011110084 + 1106011110085.

It is an arithmetic number, because the mean of its divisors is an integer number (1106011110085).

Almost surely, 22212022220169 is an apocalyptic number.

It is an amenable number.

2212022220169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212022220169 is an equidigital number, since it uses as much as digits as its factorization.

2212022220169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 2212022220169 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, one hundred sixty-nine".