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226168237 is a prime number
BaseRepresentation
bin11010111101100…
…00110110101101
3120202120112111101
431132300312231
5430344340422
634235323101
75414253421
oct1536606655
9522515441
10226168237
111067365a9
12638b0491
1337b1a179
1422074b81
1514cc7c27
hexd7b0dad

226168237 has 2 divisors, whose sum is σ = 226168238. Its totient is φ = 226168236.

The previous prime is 226168211. The next prime is 226168247. The reversal of 226168237 is 732861622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151068681 + 75099556 = 12291^2 + 8666^2 .

It is a cyclic number.

It is not a de Polignac number, because 226168237 - 27 = 226168109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226168196 and 226168205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226168247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113084118 + 113084119.

It is an arithmetic number, because the mean of its divisors is an integer number (113084119).

Almost surely, 2226168237 is an apocalyptic number.

It is an amenable number.

226168237 is a deficient number, since it is larger than the sum of its proper divisors (1).

226168237 is an equidigital number, since it uses as much as digits as its factorization.

226168237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 226168237 is about 15038.8908168123. The cubic root of 226168237 is about 609.2710426984.

The spelling of 226168237 in words is "two hundred twenty-six million, one hundred sixty-eight thousand, two hundred thirty-seven".