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226220 = 22511311
BaseRepresentation
bin110111001110101100
3102111022112
4313032230
524214340
64503152
71631351
oct671654
9374275
10226220
11144a65
12aaab8
137bc77
145c628
1547065
hex373ac

226220 has 12 divisors (see below), whose sum is σ = 475104. Its totient is φ = 90480.

The previous prime is 226217. The next prime is 226231. The reversal of 226220 is 22622.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 226195 and 226204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (39592).

2226220 is an apocalyptic number.

226220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226220 is an abundant number, since it is smaller than the sum of its proper divisors (248884).

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

226220 is a wasteful number, since it uses less digits than its factorization.

226220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11318 counting only the distinct ones).

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

The square root of 226220 is about 475.6259034157. The cubic root of 226220 is about 60.9317520329.

Adding to 226220 its reverse (22622), we get a palindrome (248842).

The spelling of 226220 in words is "two hundred twenty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11311 22622 45244 56555 113110 226220