Base | Representation |
---|---|
bin | 101010000101… |
… | …0100000010001 |
3 | 1112111220220122 |
4 | 1110022200101 |
5 | 21122004441 |
6 | 2104520025 |
7 | 355350653 |
oct | 124124021 |
9 | 45456818 |
10 | 22063121 |
11 | 114aa393 |
12 | 7480015 |
13 | 4756502 |
14 | 2d046d3 |
15 | 1e0c34b |
hex | 150a811 |
22063121 has 2 divisors, whose sum is σ = 22063122. Its totient is φ = 22063120.
The previous prime is 22063099. The next prime is 22063133. The reversal of 22063121 is 12136022.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14440000 + 7623121 = 3800^2 + 2761^2 .
It is a cyclic number.
It is not a de Polignac number, because 22063121 - 214 = 22046737 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22063121.
It is not a weakly prime, because it can be changed into another prime (22063621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11031560 + 11031561.
It is an arithmetic number, because the mean of its divisors is an integer number (11031561).
Almost surely, 222063121 is an apocalyptic number.
It is an amenable number.
22063121 is a deficient number, since it is larger than the sum of its proper divisors (1).
22063121 is an equidigital number, since it uses as much as digits as its factorization.
22063121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 22063121 is about 4697.1396615387. The cubic root of 22063121 is about 280.4716582797.
Adding to 22063121 its reverse (12136022), we get a palindrome (34199143).
The spelling of 22063121 in words is "twenty-two million, sixty-three thousand, one hundred twenty-one".
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