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2222021221230 = 2352811607164023
BaseRepresentation
bin100000010101011010110…
…010010001101101101110
321212102102110221110222210
4200111122302101231232
5242401144413034410
64420441002151250
7316351520514156
oct40253262215556
97772373843883
102222021221230
11787399062478
122ba7864b2526
131316c6c25765
1479791477766
153cbee873220
hex2055ac91b6e

2222021221230 has 64 divisors (see below), whose sum is σ = 5355192019968. Its totient is φ = 590059303680.

The previous prime is 2222021221201. The next prime is 2222021221261. The reversal of 2222021221230 is 321221202222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2222021221197 and 2222021221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13464999 + ... + 13629021.

It is an arithmetic number, because the mean of its divisors is an integer number (83674875312).

Almost surely, 22222021221230 is an apocalyptic number.

2222021221230 is an abundant number, since it is smaller than the sum of its proper divisors (3133170798738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222021221230 is a wasteful number, since it uses less digits than its factorization.

2222021221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165921.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2222021221230 its reverse (321221202222), we get a palindrome (2543242423452).

The spelling of 2222021221230 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1607 1686 2810 3214 4215 4821 8035 8430 9642 16070 24105 48210 164023 328046 451567 492069 820115 903134 984138 1354701 1640230 2257835 2460345 2709402 4515670 4920690 6773505 13547010 46090463 92180926 138271389 230452315 263584961 276542778 460904630 527169922 691356945 790754883 1317924805 1382713890 1581509766 2635849610 3953774415 7907548830 74067374041 148134748082 222202122123 370336870205 444404244246 740673740410 1111010610615 2222021221230