Base | Representation |
---|---|
bin | 1110100100100… |
… | …00001101100011 |
3 | 22111222200212122 |
4 | 13102100031203 |
5 | 222242204012 |
6 | 20043414455 |
7 | 3012620405 |
oct | 722201543 |
9 | 274880778 |
10 | 122225507 |
11 | 62aa1918 |
12 | 34b2442b |
13 | 1c425bb1 |
14 | 12338b75 |
15 | aae4e72 |
hex | 7490363 |
122225507 has 2 divisors, whose sum is σ = 122225508. Its totient is φ = 122225506.
The previous prime is 122225483. The next prime is 122225513. The reversal of 122225507 is 705522221.
It is a strong prime.
It is an emirp because it is prime and its reverse (705522221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122225507 - 26 = 122225443 is a prime.
It is a super-2 number, since 2×1222255072 = 29878149122814098, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (122225527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61112753 + 61112754.
It is an arithmetic number, because the mean of its divisors is an integer number (61112754).
Almost surely, 2122225507 is an apocalyptic number.
122225507 is a deficient number, since it is larger than the sum of its proper divisors (1).
122225507 is an equidigital number, since it uses as much as digits as its factorization.
122225507 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 122225507 is about 11055.5645265179. The cubic root of 122225507 is about 496.2729634254.
Adding to 122225507 its reverse (705522221), we get a palindrome (827747728).
The spelling of 122225507 in words is "one hundred twenty-two million, two hundred twenty-five thousand, five hundred seven".
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