Base | Representation |
---|---|
bin | 10100101100100110… |
… | …110111000111101110 |
3 | 2010100202220121102210 |
4 | 110230212313013232 |
5 | 331003121034410 |
6 | 14113104431250 |
7 | 1414466156310 |
oct | 245446670756 |
9 | 63322817383 |
10 | 22223221230 |
11 | 947447a041 |
12 | 4382618526 |
13 | 2132179962 |
14 | 110b6897b0 |
15 | 8a1023220 |
hex | 52c9b71ee |
22223221230 has 192 divisors, whose sum is σ = 64054706688. Its totient is φ = 4833312000.
The previous prime is 22223221201. The next prime is 22223221243. The reversal of 22223221230 is 3212232222.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 22223221197 and 22223221206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27883192 + ... + 27883988.
It is an arithmetic number, because the mean of its divisors is an integer number (333618264).
Almost surely, 222223221230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22223221230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32027353344).
22223221230 is an abundant number, since it is smaller than the sum of its proper divisors (41831485458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22223221230 is a wasteful number, since it uses less digits than its factorization.
22223221230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111 (or 1088 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 22223221230 its reverse (3212232222), we get a palindrome (25435453452).
The spelling of 22223221230 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •