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2220022123 = 112329302579
BaseRepresentation
bin1000010001010010…
…1101100101101011
312201201100210211121
42010110231211223
514021311201443
61004142440111
7106004606464
oct20424554553
95651323747
102220022123
11a3a165530
1251b593037
13294c21b77
14170badd6b
15ced744ed
hex8452d96b

2220022123 has 16 divisors (see below), whose sum is σ = 2614291200. Its totient is φ = 1863880480.

The previous prime is 2220022109. The next prime is 2220022151. The reversal of 2220022123 is 3212200222.

It is not a de Polignac number, because 2220022123 - 29 = 2220021611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220022097 and 2220022106.

It is not an unprimeable number, because it can be changed into a prime (2220022193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143953 + ... + 158626.

It is an arithmetic number, because the mean of its divisors is an integer number (163393200).

Almost surely, 22220022123 is an apocalyptic number.

2220022123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2220022123 is a deficient number, since it is larger than the sum of its proper divisors (394269077).

2220022123 is a wasteful number, since it uses less digits than its factorization.

2220022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302642.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2220022123 is about 47117.1107242369. The cubic root of 2220022123 is about 1304.5250833263.

Adding to 2220022123 its reverse (3212200222), we get a palindrome (5432222345).

The spelling of 2220022123 in words is "two billion, two hundred twenty million, twenty-two thousand, one hundred twenty-three".

Divisors: 1 11 23 29 253 319 667 7337 302579 3328369 6959317 8774791 76552487 96522701 201820193 2220022123