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2002222011222 = 2351729137181337
BaseRepresentation
bin11101001000101101101…
…110110101001101010110
321002102002021221201100000
4131020231232311031112
5230301022313324342
64131450314232130
7264440633200626
oct35105556651526
97072067851300
102002222011222
117021571447a4
12284064125646
13116a68a01704
146cc9da1a886
15371380e644c
hex1d22dbb5356

2002222011222 has 384 divisors, whose sum is σ = 5005916173440. Its totient is φ = 596957921280.

The previous prime is 2002222011221. The next prime is 2002222011227. The reversal of 2002222011222 is 2221102222002.

2002222011222 is a `hidden beast` number, since 20 + 0 + 222 + 201 + 1 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2002222011195 and 2002222011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002222011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5941311438 + ... + 5941311774.

It is an arithmetic number, because the mean of its divisors is an integer number (13036240035).

Almost surely, 22002222011222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002222011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502958086720).

2002222011222 is an abundant number, since it is smaller than the sum of its proper divisors (3003694162218).

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

2002222011222 is a wasteful number, since it uses less digits than its factorization.

2002222011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 706 counting only the distinct ones).

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

Adding to 2002222011222 its reverse (2221102222002), we get a palindrome (4223324233224).

The spelling of 2002222011222 in words is "two trillion, two billion, two hundred twenty-two million, eleven thousand, two hundred twenty-two".