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2222202100220 = 225111110105011
BaseRepresentation
bin100000010101100101100…
…100010001100111111100
321212102220002022002022122
4200111211210101213330
5242402032214201340
64420510543102112
7316356145123154
oct40254544214774
97772802262278
102222202100220
11787481175543
122ba816ba1938
1313172554674b
14797ab4bd764
153cc106a1db5
hex205659119fc

2222202100220 has 12 divisors (see below), whose sum is σ = 4666624410504. Its totient is φ = 888880840080.

The previous prime is 2222202100219. The next prime is 2222202100229. The reversal of 2222202100220 is 220012022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222202100229) 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 3 ways as a sum of consecutive naturals, for example, 55555052486 + ... + 55555052525.

It is an arithmetic number, because the mean of its divisors is an integer number (388885367542).

Almost surely, 22222202100220 is an apocalyptic number.

2222202100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222202100220 is an abundant number, since it is smaller than the sum of its proper divisors (2444422310284).

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

2222202100220 is a wasteful number, since it uses less digits than its factorization.

2222202100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111110105020 (or 111110105018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2222202100220 its reverse (220012022222), we get a palindrome (2442214122442).

The spelling of 2222202100220 in words is "two trillion, two hundred twenty-two billion, two hundred two million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 111110105011 222220210022 444440420044 555550525055 1111101050110 2222202100220