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2002101222 = 231130334867
BaseRepresentation
bin111011101010101…
…1010001111100110
312011112022021120010
41313111122033212
513100014214342
6530355551050
7100420402542
oct16725321746
95145267503
102002101222
11938152310
1247a5bb486
1325ba318a4
1414dc84a22
15bab7a29c
hex7755a3e6

2002101222 has 16 divisors (see below), whose sum is σ = 4368220992. Its totient is φ = 606697320.

The previous prime is 2002101181. The next prime is 2002101223. The reversal of 2002101222 is 2221012002.

It is a junction number, because it is equal to n+sod(n) for n = 2002101198 and 2002101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002101223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15167368 + ... + 15167499.

It is an arithmetic number, because the mean of its divisors is an integer number (273013812).

Almost surely, 22002101222 is an apocalyptic number.

2002101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002101222 is an abundant number, since it is smaller than the sum of its proper divisors (2366119770).

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

2002101222 is a wasteful number, since it uses less digits than its factorization.

2002101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334883.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2002101222 is about 44744.8457590369. The cubic root of 2002101222 is about 1260.3621244364.

Adding to 2002101222 its reverse (2221012002), we get a palindrome (4223113224).

The spelling of 2002101222 in words is "two billion, two million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 30334867 60669734 91004601 182009202 333683537 667367074 1001050611 2002101222