Base | Representation |
---|---|
bin | 10100100000100111… |
… | …010110000000000000 |
3 | 2002211202022120202212 |
4 | 110200213112000000 |
5 | 330100114133440 |
6 | 14041120201252 |
7 | 1406504043131 |
oct | 244047260000 |
9 | 62752276685 |
10 | 22022021120 |
11 | 9380947460 |
12 | 4327169228 |
13 | 20cc592338 |
14 | 10cca73c88 |
15 | 88d52d465 |
hex | 5209d6000 |
22022021120 has 224 divisors, whose sum is σ = 59257179936. Its totient is φ = 7785676800.
The previous prime is 22022021101. The next prime is 22022021141. The reversal of 22022021120 is 2112022022.
It is a junction number, because it is equal to n+sod(n) for n = 22022021095 and 22022021104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16670060 + ... + 16671380.
Almost surely, 222022021120 is an apocalyptic number.
22022021120 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 22022021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29628589968).
22022021120 is an abundant number, since it is smaller than the sum of its proper divisors (37235158816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22022021120 is a wasteful number, since it uses less digits than its factorization.
22022021120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1400 (or 1376 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 22022021120 its reverse (2112022022), we get a palindrome (24134043142).
The spelling of 22022021120 in words is "twenty-two billion, twenty-two million, twenty-one thousand, one hundred twenty".
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