Base | Representation |
---|---|
bin | 100101010011001010011 |
3 | 2022002120200 |
4 | 10222121103 |
5 | 303102402 |
6 | 42110243 |
7 | 13250226 |
oct | 4523123 |
9 | 2262520 |
10 | 1222227 |
11 | 765306 |
12 | 4ab383 |
13 | 33a416 |
14 | 23b5bd |
15 | 19221c |
hex | 12a653 |
1222227 has 12 divisors (see below), whose sum is σ = 1779960. Its totient is φ = 808128.
The previous prime is 1222219. The next prime is 1222229. The reversal of 1222227 is 7222221.
It is a happy number.
It is not a de Polignac number, because 1222227 - 23 = 1222219 is a prime.
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (1222229) 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, 763 + ... + 1739.
It is an arithmetic number, because the mean of its divisors is an integer number (148330).
21222227 is an apocalyptic number.
1222227 is a deficient number, since it is larger than the sum of its proper divisors (557733).
1222227 is a wasteful number, since it uses less digits than its factorization.
1222227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1122 (or 1119 counting only the distinct ones).
The product of its digits is 224, while the sum is 18.
The square root of 1222227 is about 1105.5437576143. The cubic root of 1222227 is about 106.9179503168.
Adding to 1222227 its reverse (7222221), we get a palindrome (8444448).
The spelling of 1222227 in words is "one million, two hundred twenty-two thousand, two hundred twenty-seven".
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