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106222231 is a prime number
BaseRepresentation
bin1100101010011…
…01001010010111
321101212122111201
412111031022113
5204143102411
614312413331
72426605543
oct625151227
9241778451
10106222231
1154a61375
122b6a7247
13190119bb
1410170a23
1594d33c1
hex654d297

106222231 has 2 divisors, whose sum is σ = 106222232. Its totient is φ = 106222230.

The previous prime is 106222223. The next prime is 106222241. The reversal of 106222231 is 132222601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106222231 - 23 = 106222223 is a prime.

It is a super-2 number, since 2×1062222312 = 22566324717234722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106222199 and 106222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53111115 + 53111116.

It is an arithmetic number, because the mean of its divisors is an integer number (53111116).

Almost surely, 2106222231 is an apocalyptic number.

106222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

106222231 is an equidigital number, since it uses as much as digits as its factorization.

106222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 106222231 is about 10306.4169816673. The cubic root of 106222231 is about 473.5928527363.

Adding to 106222231 its reverse (132222601), we get a palindrome (238444832).

The spelling of 106222231 in words is "one hundred six million, two hundred twenty-two thousand, two hundred thirty-one".