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222112110202220 = 225713112110802083
BaseRepresentation
bin110010100000001010000001…
…011011011100110101101100
31002010102201011212001202211002
4302200022001123130311230
5213103041100202432340
62104220521135215432
764533033102003140
oct6240120133346554
91063381155052732
10222112110202220
1164854242838457
1220ab2994377578
1396c210b554634
143cbc3d7c99220
151aa29a43ca715
hexca02816dcd6c

222112110202220 has 48 divisors (see below), whose sum is σ = 537138294029568. Its totient is φ = 75571404991680.

The previous prime is 222112110202211. The next prime is 222112110202231. The reversal of 222112110202220 is 22202011211222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222112110202192 and 222112110202201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6055382702 + ... + 6055419381.

It is an arithmetic number, because the mean of its divisors is an integer number (11190381125616).

Almost surely, 2222112110202220 is an apocalyptic number.

222112110202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112110202220 is an abundant number, since it is smaller than the sum of its proper divisors (315026183827348).

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

222112110202220 is a wasteful number, since it uses less digits than its factorization.

222112110202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12110802230 (or 12110802228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222112110202220 its reverse (22202011211222), we get a palindrome (244314121413442).

The spelling of 222112110202220 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 131 140 262 524 655 917 1310 1834 2620 3668 4585 9170 18340 12110802083 24221604166 48443208332 60554010415 84775614581 121108020830 169551229162 242216041660 339102458324 423878072905 847756145810 1586515072873 1695512291620 3173030145746 6346060291492 7932575364365 11105605510111 15865150728730 22211211020222 31730301457460 44422422040444 55528027550555 111056055101110 222112110202220