| Base | Representation |
|---|---|
| bin | 110010100001101110100000… |
| … | …001010010111100000000000 |
| 3 | 1002010211000122212202100221101 |
| 4 | 302201232200022113200000 |
| 5 | 213111323030000000000 |
| 6 | 2104342243024104144 |
| 7 | 64543602521105422 |
| oct | 6241564012274000 |
| 9 | 1063730585670841 |
| 10 | 222220000000000 |
| 11 | 64895a77811392 |
| 12 | 20b0b884465054 |
| 13 | 96cc343800a72 |
| 14 | 3cc3710ad8812 |
| 15 | 1aa56bb0e2e6a |
| hex | ca1ba0297800 |
222220000000000 has 528 divisors, whose sum is σ = 571060535179680. Its totient is φ = 86400000000000.
The previous prime is 222219999999997. The next prime is 222220000000003. The reversal of 222220000000000 is 22222.
It is an interprime number because it is at equal distance from previous prime (222219999999997) and next prime (222220000000003).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222220000000003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 819999999865 + ... + 820000000135.
Almost surely, 2222220000000000 is an apocalyptic number.
222220000000000 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 222220000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285530267589840).
222220000000000 is an abundant number, since it is smaller than the sum of its proper divisors (348840535179680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222220000000000 is an frugal number, since it uses more digits than its factorization.
222220000000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384 (or 319 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 10.
Adding to 222220000000000 its reverse (22222), we get a palindrome (222220000022222).
222220000000000 divided by its reverse (22222) gives a 10-th power (10000000000 = 1010).
The spelling of 222220000000000 in words is "two hundred twenty-two trillion, two hundred twenty billion", and thus it is an aban number.
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