| Base | Representation |
|---|---|
| bin | 11010100010100… |
| … | …11111101010000 |
| 3 | 120111221101102000 |
| 4 | 31101103331100 |
| 5 | 423444021000 |
| 6 | 34031554000 |
| 7 | 5342266020 |
| oct | 1521237520 |
| 9 | 514841360 |
| 10 | 222642000 |
| 11 | 104748259 |
| 12 | 6268b900 |
| 13 | 37184139 |
| 14 | 217d7a80 |
| 15 | 1482d000 |
| hex | d453f50 |
222642000 has 640 divisors, whose sum is σ = 990412800. Its totient is φ = 46656000.
The previous prime is 222641989. The next prime is 222642053. The reversal of 222642000 is 246222.
It is a happy number.
222642000 is a `hidden beast` number, since 2 + 22 + 642 + 0 + 0 + 0 = 666.
222642000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7181985 + ... + 7182015.
It is an arithmetic number, because the mean of its divisors is an integer number (1547520).
Almost surely, 2222642000 is an apocalyptic number.
222642000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222642000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495206400).
222642000 is an abundant number, since it is smaller than the sum of its proper divisors (767770800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222642000 is a wasteful number, since it uses less digits than its factorization.
222642000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 222642000 is about 14921.1929817961. The cubic root of 222642000 is about 606.0880178006.
Adding to 222642000 its reverse (246222), we get a palindrome (222888222).
The spelling of 222642000 in words is "two hundred twenty-two million, six hundred forty-two thousand".
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