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122204317 is a prime number
BaseRepresentation
bin1110100100010…
…11000010011101
322111221121210211
413102023002131
5222241014232
620043132421
73012501544
oct722130235
9274847724
10122204317
1162a87a04
1234b14111
131c419361
141233115b
15aadda47
hex748b09d

122204317 has 2 divisors, whose sum is σ = 122204318. Its totient is φ = 122204316.

The previous prime is 122204311. The next prime is 122204321. The reversal of 122204317 is 713402221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113507716 + 8696601 = 10654^2 + 2949^2 .

It is a cyclic number.

It is not a de Polignac number, because 122204317 - 23 = 122204309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122204311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61102158 + 61102159.

It is an arithmetic number, because the mean of its divisors is an integer number (61102159).

Almost surely, 2122204317 is an apocalyptic number.

It is an amenable number.

122204317 is a deficient number, since it is larger than the sum of its proper divisors (1).

122204317 is an equidigital number, since it uses as much as digits as its factorization.

122204317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 122204317 is about 11054.6061440469. The cubic root of 122204317 is about 496.2442824730.

Adding to 122204317 its reverse (713402221), we get a palindrome (835606538).

The spelling of 122204317 in words is "one hundred twenty-two million, two hundred four thousand, three hundred seventeen".