Base | Representation |
---|---|
bin | 10100100110011101… |
… | …000111001010101110 |
3 | 2010002120200112120120 |
4 | 110212131013022232 |
5 | 330300210032342 |
6 | 14054540225410 |
7 | 1412103626253 |
oct | 244635071256 |
9 | 63076615516 |
10 | 22120002222 |
11 | 942118a07a |
12 | 4353b3b266 |
13 | 2116979c16 |
14 | 10dba9b42a |
15 | 896e34aec |
hex | 5267472ae |
22120002222 has 16 divisors (see below), whose sum is σ = 44252278992. Its totient is φ = 7371288320.
The previous prime is 22120002193. The next prime is 22120002227. The reversal of 22120002222 is 22220002122.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22120002227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487929 + ... + 531332.
It is an arithmetic number, because the mean of its divisors is an integer number (2765767437).
Almost surely, 222120002222 is an apocalyptic number.
22120002222 is an abundant number, since it is smaller than the sum of its proper divisors (22132276770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22120002222 is a wasteful number, since it uses less digits than its factorization.
22120002222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1022883.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 22120002222 its reverse (22220002122), we get a palindrome (44340004344).
The spelling of 22120002222 in words is "twenty-two billion, one hundred twenty million, two thousand, two hundred twenty-two".
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