Base | Representation |
---|---|
bin | 100000010101011001100… |
… | …001010101010010101101 |
3 | 21212102101000000102222120 |
4 | 200111121201111102231 |
5 | 242401124000032341 |
6 | 4420434523303153 |
7 | 316351142250156 |
oct | 40253141252255 |
9 | 7772330012876 |
10 | 2222000002221 |
11 | 78738808a2aa |
12 | 2ba77b37aab9 |
13 | 1316c270652c |
14 | 7978c71292d |
15 | 3cbeca81066 |
hex | 205598554ad |
2222000002221 has 16 divisors (see below), whose sum is σ = 2976552960000. Its totient is φ = 1474396399728.
The previous prime is 2222000002219. The next prime is 2222000002231. The reversal of 2222000002221 is 1222000002222.
It is not a de Polignac number, because 2222000002221 - 21 = 2222000002219 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2222000002221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222000002231) 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, 658140 + ... + 2208426.
It is an arithmetic number, because the mean of its divisors is an integer number (186034560000).
Almost surely, 22222000002221 is an apocalyptic number.
It is an amenable number.
2222000002221 is a deficient number, since it is larger than the sum of its proper divisors (754552957779).
2222000002221 is a wasteful number, since it uses less digits than its factorization.
2222000002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552528.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 2222000002221 its reverse (1222000002222), we get a palindrome (3444000004443).
Subtracting from 2222000002221 its reverse (1222000002222), we obtain a palindrome (999999999999).
The spelling of 2222000002221 in words is "two trillion, two hundred twenty-two billion, two thousand, two hundred twenty-one".
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