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222947 is a prime number
BaseRepresentation
bin110110011011100011
3102022211022
4312123203
524113242
64440055
71615664
oct663343
9368738
10222947
1114255a
12a902b
137a62a
145b36b
15460d2
hex366e3

222947 has 2 divisors, whose sum is σ = 222948. Its totient is φ = 222946.

The previous prime is 222941. The next prime is 222953. The reversal of 222947 is 749222.

It is a balanced prime because it is at equal distance from previous prime (222941) and next prime (222953).

It is a cyclic number.

It is not a de Polignac number, because 222947 - 24 = 222931 is a prime.

It is a Chen prime.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (222941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111473 + 111474.

It is an arithmetic number, because the mean of its divisors is an integer number (111474).

2222947 is an apocalyptic number.

222947 is a deficient number, since it is larger than the sum of its proper divisors (1).

222947 is an equidigital number, since it uses as much as digits as its factorization.

222947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 222947 is about 472.1726379196. The cubic root of 222947 is about 60.6364653980.

The spelling of 222947 in words is "two hundred twenty-two thousand, nine hundred forty-seven".