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222002147 is a prime number
BaseRepresentation
bin11010011101101…
…11101111100011
3120110201212200202
431032313233203
5423313032042
634010135415
75333662403
oct1516675743
9513655622
10222002147
11104350554
126242156b
1336cbbb23
14216ac803
1514753632
hexd3b7be3

222002147 has 2 divisors, whose sum is σ = 222002148. Its totient is φ = 222002146.

The previous prime is 222002113. The next prime is 222002149. The reversal of 222002147 is 741200222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222002147 - 28 = 222001891 is a prime.

Together with 222002149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222002149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001073 + 111001074.

It is an arithmetic number, because the mean of its divisors is an integer number (111001074).

Almost surely, 2222002147 is an apocalyptic number.

222002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002147 is an equidigital number, since it uses as much as digits as its factorization.

222002147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 222002147 is about 14899.7364741797. The cubic root of 222002147 is about 605.5068466253.

Adding to 222002147 its reverse (741200222), we get a palindrome (963202369).

The spelling of 222002147 in words is "two hundred twenty-two million, two thousand, one hundred forty-seven".