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222246 = 23212347
BaseRepresentation
bin110110010000100110
3102021212100
4312100212
524102441
64432530
71613643
oct662046
9367770
10222246
11141a82
12a8746
137a20b
145adca
1545cb6
hex36426

222246 has 12 divisors (see below), whose sum is σ = 481572. Its totient is φ = 74076.

The previous prime is 222199. The next prime is 222247. The reversal of 222246 is 642222.

It is a happy number.

222246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12347 = 222246 / (2 + 2 + 2 + 2 + 4 + 6).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6156 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (40131).

2222246 is an apocalyptic number.

222246 is an abundant number, since it is smaller than the sum of its proper divisors (259326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222246 is a wasteful number, since it uses less digits than its factorization.

222246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355 (or 12352 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 222246 is about 471.4297402583. The cubic root of 222246 is about 60.5728467052.

Adding to 222246 its reverse (642222), we get a palindrome (864468).

The spelling of 222246 in words is "two hundred twenty-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 12347 24694 37041 74082 111123 222246