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220229 = 1967173
BaseRepresentation
bin110101110001000101
3102012002122
4311301011
524021404
64415325
71605032
oct656105
9365078
10220229
11140509
12a7545
1379319
145a389
15453be
hex35c45

220229 has 8 divisors (see below), whose sum is σ = 236640. Its totient is φ = 204336.

The previous prime is 220217. The next prime is 220243. The reversal of 220229 is 922022.

It is a happy number.

220229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220229 - 212 = 216133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (29580).

2220229 is an apocalyptic number.

It is an amenable number.

220229 is a deficient number, since it is larger than the sum of its proper divisors (16411).

220229 is a wasteful number, since it uses less digits than its factorization.

220229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220229 is about 469.2856273103. The cubic root of 220229 is about 60.3890460085.

The spelling of 220229 in words is "two hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 19 67 173 1273 3287 11591 220229