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222068 = 227211103
BaseRepresentation
bin110110001101110100
3102021121202
4312031310
524101233
64432032
71613300
oct661564
9367552
10222068
11141930
12a8618
137a102
145ad00
1545be8
hex36374

222068 has 36 divisors (see below), whose sum is σ = 497952. Its totient is φ = 85680.

The previous prime is 222067. The next prime is 222073. The reversal of 222068 is 860222.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222068.

It is not an unprimeable number, because it can be changed into a prime (222067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2105 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (13832).

2222068 is an apocalyptic number.

222068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248976).

222068 is an abundant number, since it is smaller than the sum of its proper divisors (275884).

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

222068 is a wasteful number, since it uses less digits than its factorization.

222068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 222068 is about 471.2409150318. The cubic root of 222068 is about 60.5566711662.

The spelling of 222068 in words is "two hundred twenty-two thousand, sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 103 154 196 206 308 412 539 721 1078 1133 1442 2156 2266 2884 4532 5047 7931 10094 15862 20188 31724 55517 111034 222068