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222349 is a prime number
BaseRepresentation
bin110110010010001101
3102022000011
4312102031
524103344
64433221
71614151
oct662215
9368004
10222349
11142066
12a8811
137a28a
145b061
1545d34
hex3648d

222349 has 2 divisors, whose sum is σ = 222350. Its totient is φ = 222348.

The previous prime is 222347. The next prime is 222361. The reversal of 222349 is 943222.

222349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189225 + 33124 = 435^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 222349 - 21 = 222347 is a prime.

Together with 222347, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is a nialpdrome in base 6 and base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111174 + 111175.

It is an arithmetic number, because the mean of its divisors is an integer number (111175).

2222349 is an apocalyptic number.

It is an amenable number.

222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

222349 is an equidigital number, since it uses as much as digits as its factorization.

222349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 222349 is about 471.5389697575. The cubic root of 222349 is about 60.5822027635.

The spelling of 222349 in words is "two hundred twenty-two thousand, three hundred forty-nine".