Base | Representation |
---|---|
bin | 11010100010110… |
… | …10100001100010 |
3 | 120111222202022020 |
4 | 31101122201202 |
5 | 424000401043 |
6 | 34032322310 |
7 | 5342440314 |
oct | 1521324142 |
9 | 514882266 |
10 | 222668898 |
11 | 104766491 |
12 | 626a3396 |
13 | 3719345a |
14 | 218037b4 |
15 | 14835e83 |
hex | d45a862 |
222668898 has 16 divisors (see below), whose sum is σ = 446273280. Its totient is φ = 74067056.
The previous prime is 222668881. The next prime is 222668899. The reversal of 222668898 is 898866222.
It is a super-3 number, since 3×2226688983 (a number of 26 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 222668898.
It is not an unprimeable number, because it can be changed into a prime (222668899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35865 + ... + 41612.
It is an arithmetic number, because the mean of its divisors is an integer number (27892080).
Almost surely, 2222668898 is an apocalyptic number.
222668898 is an abundant number, since it is smaller than the sum of its proper divisors (223604382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222668898 is a wasteful number, since it uses less digits than its factorization.
222668898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77961.
The product of its digits is 1327104, while the sum is 51.
The square root of 222668898 is about 14922.0942900117. The cubic root of 222668898 is about 606.1124245448.
The spelling of 222668898 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, eight hundred ninety-eight".
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