Base | Representation |
---|---|
bin | 100101010011100001110 |
3 | 2022002211121 |
4 | 10222130032 |
5 | 303104124 |
6 | 42111154 |
7 | 13250614 |
oct | 4523416 |
9 | 2262747 |
10 | 1222414 |
11 | 765466 |
12 | 4ab4ba |
13 | 33a52b |
14 | 23b6b4 |
15 | 1922e4 |
hex | 12a70e |
1222414 has 4 divisors (see below), whose sum is σ = 1833624. Its totient is φ = 611206.
The previous prime is 1222411. The next prime is 1222433. The reversal of 1222414 is 4142221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4142221 = 281 ⋅14741.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305602 + ... + 305605.
It is an arithmetic number, because the mean of its divisors is an integer number (458406).
21222414 is an apocalyptic number.
1222414 is a deficient number, since it is larger than the sum of its proper divisors (611210).
1222414 is an equidigital number, since it uses as much as digits as its factorization.
1222414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611209.
The product of its digits is 128, while the sum is 16.
The square root of 1222414 is about 1105.6283281465. The cubic root of 1222414 is about 106.9234028329.
Adding to 1222414 its reverse (4142221), we get a palindrome (5364635).
The spelling of 1222414 in words is "one million, two hundred twenty-two thousand, four hundred fourteen".
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