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122022220049 is a prime number
BaseRepresentation
bin111000110100100010…
…1110101000100010001
3102122221221100000220022
41301221011311010101
53444400142020144
6132020051353225
711546552520452
oct1615105650421
9378857300808
10122022220049
11478273a8a64
121b794bb2815
13b678141492
145c97b47129
1532927a6cee
hex1c69175111

122022220049 has 2 divisors, whose sum is σ = 122022220050. Its totient is φ = 122022220048.

The previous prime is 122022220027. The next prime is 122022220139. The reversal of 122022220049 is 940022220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114062903824 + 7959316225 = 337732^2 + 89215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122022220049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122022270049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011110024 + 61011110025.

It is an arithmetic number, because the mean of its divisors is an integer number (61011110025).

Almost surely, 2122022220049 is an apocalyptic number.

It is an amenable number.

122022220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022220049 is an equidigital number, since it uses as much as digits as its factorization.

122022220049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 122022220049 in words is "one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, forty-nine".