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220226 = 2293797
BaseRepresentation
bin110101110001000010
3102012002112
4311301002
524021401
64415322
71605026
oct656102
9365075
10220226
11140506
12a7542
1379316
145a386
15453bb
hex35c42

220226 has 8 divisors (see below), whose sum is σ = 341820. Its totient is φ = 106288.

The previous prime is 220217. The next prime is 220243. The reversal of 220226 is 622022.

220226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198025 + 22201 = 445^2 + 149^2 .

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 220226.

It is an unprimeable number.

220226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841 + ... + 1956.

2220226 is an apocalyptic number.

220226 is a deficient number, since it is larger than the sum of its proper divisors (121594).

220226 is a wasteful number, since it uses less digits than its factorization.

220226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220226 is about 469.2824309518. The cubic root of 220226 is about 60.3887717970.

Adding to 220226 its reverse (622022), we get a palindrome (842248).

The spelling of 220226 in words is "two hundred twenty thousand, two hundred twenty-six".

Divisors: 1 2 29 58 3797 7594 110113 220226