Base | Representation |
---|---|
bin | 1000010100001101… |
… | …0000000110101000 |
3 | 12202120022122002100 |
4 | 2011003100012220 |
5 | 14032422101440 |
6 | 1005300133400 |
7 | 106213401132 |
oct | 20503200650 |
9 | 5676278070 |
10 | 2232222120 |
11 | a46038577 |
12 | 523697260 |
13 | 297603bbb |
14 | 172668052 |
15 | d0e84230 |
hex | 850d01a8 |
2232222120 has 48 divisors (see below), whose sum is σ = 7254723060. Its totient is φ = 595259136.
The previous prime is 2232222071. The next prime is 2232222121. The reversal of 2232222120 is 212222322.
It can be written as a sum of positive squares in 2 ways, for example, as 1976158116 + 256064004 = 44454^2 + 16002^2 .
It is a super-3 number, since 3×22322221203 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2232222093 and 2232222102.
It is not an unprimeable number, because it can be changed into a prime (2232222121) 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, 3099949 + ... + 3100668.
Almost surely, 22232222120 is an apocalyptic number.
2232222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2232222120 is an abundant number, since it is smaller than the sum of its proper divisors (5022500940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2232222120 is a wasteful number, since it uses less digits than its factorization.
2232222120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6200634 (or 6200627 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2232222120 is about 47246.3979579396. The cubic root of 2232222120 is about 1306.9103654284.
Adding to 2232222120 its reverse (212222322), we get a palindrome (2444444442).
The spelling of 2232222120 in words is "two billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred twenty".
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