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2222112140 = 225111105607
BaseRepresentation
bin1000010001110010…
…1011110110001100
312201212021222210122
42010130223312030
514022330042030
61004255324112
7106031433023
oct20434536614
95655258718
102222112140
11a40362816
12520220638
132954a4271
141711958ba
15d01388e5
hex8472bd8c

2222112140 has 12 divisors (see below), whose sum is σ = 4666435536. Its totient is φ = 888844848.

The previous prime is 2222112119. The next prime is 2222112157. The reversal of 2222112140 is 412112222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55552784 + ... + 55552823.

It is an arithmetic number, because the mean of its divisors is an integer number (388869628).

Almost surely, 22222112140 is an apocalyptic number.

2222112140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222112140 is an abundant number, since it is smaller than the sum of its proper divisors (2444323396).

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

2222112140 is a wasteful number, since it uses less digits than its factorization.

2222112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111105616 (or 111105614 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2222112140 is about 47139.2844663557. The cubic root of 2222112140 is about 1304.9343321673.

Adding to 2222112140 its reverse (412112222), we get a palindrome (2634224362).

The spelling of 2222112140 in words is "two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 111105607 222211214 444422428 555528035 1111056070 2222112140