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2201222313220 = 225789176663107
BaseRepresentation
bin100000000010000011000…
…100101111010100000100
321210102201222010110222111
4200002003010233110010
5242031100403010340
64403121053310404
7315014224642330
oct40020304572404
97712658113874
102201222313220
11779595678aa7
122b6740a95404
1312c760b8acb8
147877b02c7c0
153c3d38e8aea
hex2008312f504

2201222313220 has 48 divisors (see below), whose sum is σ = 5342292385920. Its totient is φ = 746224959744.

The previous prime is 2201222313209. The next prime is 2201222313233. The reversal of 2201222313220 is 223132221022.

It is a junction number, because it is equal to n+sod(n) for n = 2201222313191 and 2201222313200.

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 15 ways as a sum of consecutive naturals, for example, 88319094 + ... + 88344013.

It is an arithmetic number, because the mean of its divisors is an integer number (111297758040).

Almost surely, 22201222313220 is an apocalyptic number.

2201222313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201222313220 is an abundant number, since it is smaller than the sum of its proper divisors (3141070072700).

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

2201222313220 is a wasteful number, since it uses less digits than its factorization.

2201222313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176663212 (or 176663210 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2201222313220 its reverse (223132221022), we get a palindrome (2424354534242).

The spelling of 2201222313220 in words is "two trillion, two hundred one billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 6230 12460 176663107 353326214 706652428 883315535 1236641749 1766631070 2473283498 3533262140 4946566996 6183208745 12366417490 15723016523 24732834980 31446033046 62892066092 78615082615 110061115661 157230165230 220122231322 314460330460 440244462644 550305578305 1100611156610 2201222313220