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122206163 is a prime number
BaseRepresentation
bin1110100100010…
…11011111010011
322111221201100012
413102023133103
5222241044123
620043145135
73012510122
oct722133723
9274851305
10122206163
1162a89332
1234b151ab
131c41a151
1412331ab9
15aade378
hex748b7d3

122206163 has 2 divisors, whose sum is σ = 122206164. Its totient is φ = 122206162.

The previous prime is 122206151. The next prime is 122206187. The reversal of 122206163 is 361602221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122206163 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122206663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61103081 + 61103082.

It is an arithmetic number, because the mean of its divisors is an integer number (61103082).

Almost surely, 2122206163 is an apocalyptic number.

122206163 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206163 is an equidigital number, since it uses as much as digits as its factorization.

122206163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 122206163 is about 11054.6896383390. The cubic root of 122206163 is about 496.2467811909.

Adding to 122206163 its reverse (361602221), we get a palindrome (483808384).

The spelling of 122206163 in words is "one hundred twenty-two million, two hundred six thousand, one hundred sixty-three".