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2002221321222 = 2319157111868439
BaseRepresentation
bin11101001000101101101…
…100001100110000000110
321002102002020122122211110
4131020231230030300012
5230301022124234342
64131450251345450
7264440624265153
oct35105554146006
97072066578743
102002221321222
11702156813351
12284063a52286
13116a6881c625
146cc9d8bb22a
153713800bc9c
hex1d22db0cc06

2002221321222 has 32 divisors (see below), whose sum is σ = 4242051244800. Its totient is φ = 628253147808.

The previous prime is 2002221321187. The next prime is 2002221321257. The reversal of 2002221321222 is 2221231222002.

It is an interprime number because it is at equal distance from previous prime (2002221321187) and next prime (2002221321257).

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, 55916322 + ... + 55952117.

It is an arithmetic number, because the mean of its divisors is an integer number (132564101400).

Almost surely, 22002221321222 is an apocalyptic number.

2002221321222 is an abundant number, since it is smaller than the sum of its proper divisors (2239829923578).

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

2002221321222 is a wasteful number, since it uses less digits than its factorization.

2002221321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111868620.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2002221321222 its reverse (2221231222002), we get a palindrome (4223452543224).

The spelling of 2002221321222 in words is "two trillion, two billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 157 314 471 942 2983 5966 8949 17898 111868439 223736878 335605317 671210634 2125500341 4251000682 6376501023 12753002046 17563344923 35126689846 52690034769 105380069538 333703553537 667407107074 1001110660611 2002221321222