Base | Representation |
---|---|
bin | 1110100100011… |
… | …00011110110010 |
3 | 22111221220220200 |
4 | 13102030132302 |
5 | 222241211401 |
6 | 20043220030 |
7 | 3012525015 |
oct | 722143662 |
9 | 274856820 |
10 | 122210226 |
11 | 62a91396 |
12 | 34b17616 |
13 | 1c41bc58 |
14 | 1233337c |
15 | aae0686 |
hex | 748c7b2 |
122210226 has 24 divisors (see below), whose sum is σ = 264992364. Its totient is φ = 40705440.
The previous prime is 122210191. The next prime is 122210227. The reversal of 122210226 is 622012221.
It can be written as a sum of positive squares in 2 ways, for example, as 120890025 + 1320201 = 10995^2 + 1149^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a plaindrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 122210199 and 122210208.
It is not an unprimeable number, because it can be changed into a prime (122210227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43216 + ... + 45956.
Almost surely, 2122210226 is an apocalyptic number.
122210226 is an abundant number, since it is smaller than the sum of its proper divisors (142782138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122210226 is a wasteful number, since it uses less digits than its factorization.
122210226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5226 (or 5223 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 122210226 is about 11054.8734049739. The cubic root of 122210226 is about 496.2522807180.
Adding to 122210226 its reverse (622012221), we get a palindrome (744222447).
The spelling of 122210226 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred twenty-six".
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