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226130237 is a prime number
BaseRepresentation
bin11010111101001…
…11100100111101
3120202111121100222
431132213210331
5430342131422
634234431125
75414034554
oct1536474475
9522447328
10226130237
1110670aaa3
12638924a5
1337b05a98
1422064d9b
1514cbb842
hexd7a793d

226130237 has 2 divisors, whose sum is σ = 226130238. Its totient is φ = 226130236.

The previous prime is 226130173. The next prime is 226130239. The reversal of 226130237 is 732031622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224130841 + 1999396 = 14971^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 226130237 - 26 = 226130173 is a prime.

It is a super-2 number, since 2×2261302372 = 102269768171352338, which contains 22 as substring.

Together with 226130239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226130239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113065118 + 113065119.

It is an arithmetic number, because the mean of its divisors is an integer number (113065119).

Almost surely, 2226130237 is an apocalyptic number.

It is an amenable number.

226130237 is a deficient number, since it is larger than the sum of its proper divisors (1).

226130237 is an equidigital number, since it uses as much as digits as its factorization.

226130237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 226130237 is about 15037.6273726941. The cubic root of 226130237 is about 609.2369182539.

Adding to 226130237 its reverse (732031622), we get a palindrome (958161859).

The spelling of 226130237 in words is "two hundred twenty-six million, one hundred thirty thousand, two hundred thirty-seven".