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133662227 is a prime number
BaseRepresentation
bin1111111011110…
…00011000010011
3100022111202002212
413331320120103
5233204142402
621132502335
73212052536
oct775703023
9308452085
10133662227
11694a3456
123891a9ab
13218cb69a
1413a74a1d
15bb03952
hex7f78613

133662227 has 2 divisors, whose sum is σ = 133662228. Its totient is φ = 133662226.

The previous prime is 133662181. The next prime is 133662259. The reversal of 133662227 is 722266331.

It is an a-pointer prime, because the next prime (133662259) can be obtained adding 133662227 to its sum of digits (32).

It is a strong prime.

It is an emirp because it is prime and its reverse (722266331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133662227 - 216 = 133596691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133662193 and 133662202.

It is not a weakly prime, because it can be changed into another prime (133652227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66831113 + 66831114.

It is an arithmetic number, because the mean of its divisors is an integer number (66831114).

Almost surely, 2133662227 is an apocalyptic number.

133662227 is a deficient number, since it is larger than the sum of its proper divisors (1).

133662227 is an equidigital number, since it uses as much as digits as its factorization.

133662227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 133662227 is about 11561.2381257372. The cubic root of 133662227 is about 511.2926672146.

The spelling of 133662227 in words is "one hundred thirty-three million, six hundred sixty-two thousand, two hundred twenty-seven".