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2222002022112 = 253219406067621
BaseRepresentation
bin100000010101011001101…
…001000010011011100000
321212102101010211001202100
4200111121221002123200
5242401130004201422
64420435034450400
7316351165362105
oct40253151023340
97772333731670
102222002022112
11787389239934
122ba77bb93a00
131316c2c62a32
147978cabaaac
153cbecd2e7ac
hex20559a426e0

2222002022112 has 72 divisors (see below), whose sum is σ = 6651387648360. Its totient is φ = 701684847360.

The previous prime is 2222002022099. The next prime is 2222002022113. The reversal of 2222002022112 is 2112202002222.

2222002022112 is a `hidden beast` number, since 222 + 200 + 20 + 221 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222002022113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203028339 + ... + 203039282.

It is an arithmetic number, because the mean of its divisors is an integer number (92380384005).

Almost surely, 22222002022112 is an apocalyptic number.

It is an amenable number.

2222002022112 is an abundant number, since it is smaller than the sum of its proper divisors (4429385626248).

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

2222002022112 is a wasteful number, since it uses less digits than its factorization.

2222002022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406067656 (or 406067645 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222002022112 its reverse (2112202002222), we get a palindrome (4334204024334).

The spelling of 2222002022112 in words is "two trillion, two hundred twenty-two billion, two million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 406067621 812135242 1218202863 1624270484 2436405726 3248540968 3654608589 4872811452 6497081936 7309217178 7715284799 9745622904 12994163872 14618434356 15430569598 19491245808 23145854397 29236868712 30861139196 38982491616 46291708794 58473737424 61722278392 69437563191 92583417588 116947474848 123444556784 138875126382 185166835176 246889113568 277750252764 370333670352 555500505528 740667340704 1111001011056 2222002022112