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222210220102220 = 22577448921308057
BaseRepresentation
bin110010100001100101011001…
…001111000001001001001100
31002010210002102022011002022002
4302201211121033001021030
5213111143012321232340
62104333544343011432
764543105255254050
oct6241453117011114
91063702368132262
10222210220102220
116489190926a439
1220b099b5139b78
1396cb4455b86bc
143cc3063cabc60
151aa52e7710715
hexca19593c124c

222210220102220 has 48 divisors (see below), whose sum is σ = 533311712781120. Its totient is φ = 76185334815744.

The previous prime is 222210220102183. The next prime is 222210220102267. The reversal of 222210220102220 is 22201022012222.

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 = 222210220102192 and 222210220102201.

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, 225569 + ... + 21082488.

It is an arithmetic number, because the mean of its divisors is an integer number (11110660682940).

Almost surely, 2222210220102220 is an apocalyptic number.

222210220102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222210220102220 is an abundant number, since it is smaller than the sum of its proper divisors (311101492678900).

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

222210220102220 is a wasteful number, since it uses less digits than its factorization.

222210220102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21382562 (or 21382560 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222210220102220 its reverse (22201022012222), we get a palindrome (244411242114442).

The spelling of 222210220102220 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred twenty million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 74489 148978 297956 372445 521423 744890 1042846 1489780 2085692 2607115 5214230 10428460 21308057 42616114 85232228 106540285 149156399 213080570 298312798 426161140 596625596 745781995 1491563990 2983127980 1587215857873 3174431715746 6348863431492 7936079289365 11110511005111 15872158578730 22221022010222 31744317157460 44442044020444 55552555025555 111105110051110 222210220102220