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2202112212220 = 225601598130631
BaseRepresentation
bin100000000010111000000…
…111011011110011111100
321210112000222122000220201
4200002320013123303330
5242034411211242340
64403345243053244
7315045251651134
oct40027007336374
97715028560821
102202112212220
11779a01a31318
122b694ab11224
1312c873358b5b
14788232b9ac4
153c436acc79a
hex200b81dbcfc

2202112212220 has 48 divisors (see below), whose sum is σ = 4633055937216. Its totient is φ = 879203520000.

The previous prime is 2202112212169. The next prime is 2202112212253. The reversal of 2202112212220 is 222122112022.

It is a congruent number.

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, 71876305 + ... + 71906935.

It is an arithmetic number, because the mean of its divisors is an integer number (96521998692).

Almost surely, 22202112212220 is an apocalyptic number.

2202112212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202112212220 is an abundant number, since it is smaller than the sum of its proper divisors (2430943724996).

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

2202112212220 is a wasteful number, since it uses less digits than its factorization.

2202112212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37222 (or 37220 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2202112212220 its reverse (222122112022), we get a palindrome (2424234324242).

The spelling of 2202112212220 in words is "two trillion, two hundred two billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 601 1202 2404 3005 5981 6010 11962 12020 23924 29905 30631 59810 61262 119620 122524 153155 306310 612620 3594581 7189162 14378324 17972905 18409231 35945810 36818462 71891620 73636924 92046155 183204011 184092310 366408022 368184620 732816044 916020055 1832040110 3664080220 110105610611 220211221222 440422442444 550528053055 1101056106110 2202112212220