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2222201022220 = 225432583954677
BaseRepresentation
bin100000010101100101100…
…000001010011100001100
321212102220000021022120201
4200111211200022130030
5242402031430202340
64420510504023244
7316356133013254
oct40254540123414
97772800238521
102222201022220
117874805a9633
122ba816761b24
13131725259b8a
14797ab2bc964
153cc1053c79a
hex2056580a70c

2222201022220 has 24 divisors (see below), whose sum is σ = 4775148244944. Its totient is φ = 868208771136.

The previous prime is 2222201022199. The next prime is 2222201022269. The reversal of 2222201022220 is 222201022222.

It is a super-2 number, since 2×22222010222202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291976479 + ... + 1291978198.

It is an arithmetic number, because the mean of its divisors is an integer number (198964510206).

Almost surely, 22222201022220 is an apocalyptic number.

2222201022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222201022220 is an abundant number, since it is smaller than the sum of its proper divisors (2552947222724).

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

2222201022220 is a wasteful number, since it uses less digits than its factorization.

2222201022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583954729 (or 2583954727 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2222201022220 its reverse (222201022222), we get a palindrome (2444402044442).

The spelling of 2222201022220 in words is "two trillion, two hundred twenty-two billion, two hundred one million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2583954677 5167909354 10335818708 12919773385 25839546770 51679093540 111110051111 222220102222 444440204444 555550255555 1111100511110 2222201022220