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1229227 is a prime number
BaseRepresentation
bin100101100000110101011
32022110011221
410230012223
5303313402
642202511
713306516
oct4540653
92273157
101229227
1176a59a
124b3437
1334066c
1423dd7d
15194337
hex12c1ab

1229227 has 2 divisors, whose sum is σ = 1229228. Its totient is φ = 1229226.

The previous prime is 1229213. The next prime is 1229237. The reversal of 1229227 is 7229221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1229227 is a prime.

1229227 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1229237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614613 + 614614.

It is an arithmetic number, because the mean of its divisors is an integer number (614614).

21229227 is an apocalyptic number.

1229227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229227 is an equidigital number, since it uses as much as digits as its factorization.

1229227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 1229227 is about 1108.7051005565. The cubic root of 1229227 is about 107.1216771679.

The spelling of 1229227 in words is "one million, two hundred twenty-nine thousand, two hundred twenty-seven".