| Base | Representation |
|---|---|
| bin | 11010011101101… |
| … | …11001110000000 |
| 3 | 120110201202202020 |
| 4 | 31032313032000 |
| 5 | 423313000000 |
| 6 | 34010121440 |
| 7 | 5333653215 |
| oct | 1516671600 |
| 9 | 513652666 |
| 10 | 222000000 |
| 11 | 104349982 |
| 12 | 62420280 |
| 13 | 36cbab61 |
| 14 | 216abb0c |
| 15 | 14752ba0 |
| hex | d3b7380 |
222000000 has 224 divisors, whose sum is σ = 757021560. Its totient is φ = 57600000.
The previous prime is 221999993. The next prime is 222000019. The reversal of 222000000 is 222.
222000000 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 (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5999982 + ... + 6000018.
Almost surely, 2222000000 is an apocalyptic number.
222000000 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 222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378510780).
222000000 is an abundant number, since it is smaller than the sum of its proper divisors (535021560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222000000 is an frugal number, since it uses more digits than its factorization.
222000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 47 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 6.
The square root of 222000000 is about 14899.6644257513. The cubic root of 222000000 is about 605.5048946511.
Adding to 222000000 its reverse (222), we get a palindrome (222000222).
Multiplying 222000000 by its reverse (222), we get a square (49284000000 = 2220002).
222000000 divided by its reverse (222) gives a 6-th power (1000000 = 106).
The spelling of 222000000 in words is "two hundred twenty-two million", and thus it is an aban number.
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