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2002212222222 = 232314508784219
BaseRepresentation
bin11101001000101101001…
…001011111010100001110
321002102001121112101100110
4131020231021133110032
5230301012312102342
64131445324340450
7264440454040362
oct35105511372416
97072047471313
102002212222222
11702151669113
122840609a4726
13116a66984bc4
146cc9c5cd2a2
1537137310c9c
hex1d22d25f50e

2002212222222 has 16 divisors (see below), whose sum is σ = 4178529855360. Its totient is φ = 638386505592.

The previous prime is 2002212222203. The next prime is 2002212222251. The reversal of 2002212222222 is 2222222122002.

It is a congruent number.

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, 7254391972 + ... + 7254392247.

It is an arithmetic number, because the mean of its divisors is an integer number (261158115960).

Almost surely, 22002212222222 is an apocalyptic number.

2002212222222 is an abundant number, since it is smaller than the sum of its proper divisors (2176317633138).

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

2002212222222 is a wasteful number, since it uses less digits than its factorization.

2002212222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14508784247.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2002212222222 its reverse (2222222122002), we get a palindrome (4224434344224).

The spelling of 2002212222222 in words is "two trillion, two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 14508784219 29017568438 43526352657 87052705314 333702037037 667404074074 1001106111111 2002212222222