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107222261 is a prime number
BaseRepresentation
bin1100110010000…
…01010011110101
321110202110021212
412121001103311
5204422103021
614350051205
72441242226
oct631012365
9243673255
10107222261
1155584743
122baa9b05
13192a1c33
141035124d
15962e85b
hex66414f5

107222261 has 2 divisors, whose sum is σ = 107222262. Its totient is φ = 107222260.

The previous prime is 107222209. The next prime is 107222329. The reversal of 107222261 is 162222701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 7102225 = 10006^2 + 2665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107222261 is a prime.

It is a super-2 number, since 2×1072222612 = 22993226507904242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107222161) 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, 53611130 + 53611131.

It is an arithmetic number, because the mean of its divisors is an integer number (53611131).

Almost surely, 2107222261 is an apocalyptic number.

It is an amenable number.

107222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

107222261 is an equidigital number, since it uses as much as digits as its factorization.

107222261 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 23.

The square root of 107222261 is about 10354.8182504571. The cubic root of 107222261 is about 475.0744274879.

Adding to 107222261 its reverse (162222701), we get a palindrome (269444962).

The spelling of 107222261 in words is "one hundred seven million, two hundred twenty-two thousand, two hundred sixty-one".