Base | Representation |
---|---|
bin | 1000010001100100… |
… | …1101101001100110 |
3 | 12201210120202100120 |
4 | 2010121031221212 |
5 | 14022111431042 |
6 | 1004224022410 |
7 | 106020622434 |
oct | 20431155146 |
9 | 5653522316 |
10 | 2221202022 |
11 | a3a8a0a56 |
12 | 51ba61a06 |
13 | 295245c30 |
14 | 170dd9d54 |
15 | d0008dec |
hex | 8464da66 |
2221202022 has 32 divisors (see below), whose sum is σ = 4789532160. Its totient is φ = 682674720.
The previous prime is 2221201951. The next prime is 2221202029. The reversal of 2221202022 is 2202021222.
It is a junction number, because it is equal to n+sod(n) for n = 2221201992 and 2221202010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221202029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55429 + ... + 86687.
It is an arithmetic number, because the mean of its divisors is an integer number (149672880).
Almost surely, 22221202022 is an apocalyptic number.
2221202022 is an abundant number, since it is smaller than the sum of its proper divisors (2568330138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221202022 is a wasteful number, since it uses less digits than its factorization.
2221202022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32188.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2221202022 is about 47129.6299794514. The cubic root of 2221202022 is about 1304.7561523802.
Adding to 2221202022 its reverse (2202021222), we get a palindrome (4423223244).
The spelling of 2221202022 in words is "two billion, two hundred twenty-one million, two hundred two thousand, twenty-two".
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