Base | Representation |
---|---|
bin | 101010101110… |
… | …1010010100110 |
3 | 1120011011001122 |
4 | 1111131102212 |
5 | 21213332324 |
6 | 2120053542 |
7 | 361262402 |
oct | 125352246 |
9 | 46134048 |
10 | 22402214 |
11 | 1171112a |
12 | 76042b2 |
13 | 4844963 |
14 | 2d92102 |
15 | 1e77a5e |
hex | 155d4a6 |
22402214 has 4 divisors (see below), whose sum is σ = 33603324. Its totient is φ = 11201106.
The previous prime is 22402169. The next prime is 22402217. The reversal of 22402214 is 41220422.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41220422 = 2 ⋅20610211.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22402192 and 22402201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22402217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600552 + ... + 5600555.
It is an arithmetic number, because the mean of its divisors is an integer number (8400831).
Almost surely, 222402214 is an apocalyptic number.
22402214 is a deficient number, since it is larger than the sum of its proper divisors (11201110).
22402214 is a wasteful number, since it uses less digits than its factorization.
22402214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11201109.
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 22402214 is about 4733.0977171404. The cubic root of 22402214 is about 281.9012363096.
Adding to 22402214 its reverse (41220422), we get a palindrome (63622636).
The spelling of 22402214 in words is "twenty-two million, four hundred two thousand, two hundred fourteen".
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