Base | Representation |
---|---|
bin | 100101010011001000110 |
3 | 2022002120012 |
4 | 10222121012 |
5 | 303102324 |
6 | 42110222 |
7 | 13250210 |
oct | 4523106 |
9 | 2262505 |
10 | 1222214 |
11 | 7652a4 |
12 | 4ab372 |
13 | 33a406 |
14 | 23b5b0 |
15 | 19220e |
hex | 12a646 |
1222214 has 16 divisors (see below), whose sum is σ = 2128128. Its totient is φ = 515592.
The previous prime is 1222187. The next prime is 1222219. The reversal of 1222214 is 4122221.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222219) 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, 287 + ... + 1589.
It is an arithmetic number, because the mean of its divisors is an integer number (133008).
21222214 is an apocalyptic number.
1222214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1222214 is a deficient number, since it is larger than the sum of its proper divisors (905914).
1222214 is a wasteful number, since it uses less digits than its factorization.
1222214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1379.
The product of its digits is 64, while the sum is 14.
The square root of 1222214 is about 1105.5378781390. The cubic root of 1222214 is about 106.9175712442.
Adding to 1222214 its reverse (4122221), we get a palindrome (5344435).
It can be divided in two parts, 122221 and 4, that multiplied together give a palindrome (488884).
The spelling of 1222214 in words is "one million, two hundred twenty-two thousand, two hundred fourteen".
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