Base | Representation |
---|---|
bin | 100110100100… |
… | …1000100100001 |
3 | 1102001101200220 |
4 | 1031021010201 |
5 | 20134102431 |
6 | 2001233253 |
7 | 333612654 |
oct | 115110441 |
9 | 42041626 |
10 | 20222241 |
11 | 104622a6 |
12 | 6932829 |
13 | 4260630 |
14 | 298589b |
15 | 1b96b96 |
hex | 1349121 |
20222241 has 16 divisors (see below), whose sum is σ = 29438976. Its totient is φ = 12272256.
The previous prime is 20222233. The next prime is 20222243. The reversal of 20222241 is 14222202.
It is not a de Polignac number, because 20222241 - 23 = 20222233 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20222241.
It is not an unprimeable number, because it can be changed into a prime (20222243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 6398.
It is an arithmetic number, because the mean of its divisors is an integer number (1839936).
Almost surely, 220222241 is an apocalyptic number.
It is an amenable number.
20222241 is a deficient number, since it is larger than the sum of its proper divisors (9216735).
20222241 is a wasteful number, since it uses less digits than its factorization.
20222241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7192.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 20222241 is about 4496.9146089291. The cubic root of 20222241 is about 272.4434851798.
Adding to 20222241 its reverse (14222202), we get a palindrome (34444443).
The spelling of 20222241 in words is "twenty million, two hundred twenty-two thousand, two hundred forty-one".
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