Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1101100111000010 |
3 | 12201201100210221211 |
4 | 2010110231213002 |
5 | 14021311202320 |
6 | 1004142440334 |
7 | 106004606650 |
oct | 20424554702 |
9 | 5651323854 |
10 | 2220022210 |
11 | a3a1655aa |
12 | 51b5930aa |
13 | 294c21c13 |
14 | 170baddd0 |
15 | ced7455a |
hex | 8452d9c2 |
2220022210 has 64 divisors (see below), whose sum is σ = 4744293120. Its totient is φ = 731808000.
The previous prime is 2220022201. The next prime is 2220022243. The reversal of 2220022210 is 122200222.
It is a super-2 number, since 2×22200222102 = 9856997225786568200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507352 + ... + 511708.
It is an arithmetic number, because the mean of its divisors is an integer number (74129580).
Almost surely, 22220022210 is an apocalyptic number.
2220022210 is an abundant number, since it is smaller than the sum of its proper divisors (2524270910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220022210 is a wasteful number, since it uses less digits than its factorization.
2220022210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4651.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2220022210 is about 47117.1116474684. Note that the first 3 decimals coincide. The cubic root of 2220022210 is about 1304.5251003672.
Adding to 2220022210 its reverse (122200222), we get a palindrome (2342222432).
The spelling of 2220022210 in words is "two billion, two hundred twenty million, twenty-two thousand, two hundred ten".
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