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2220000223 = 72192384533
BaseRepresentation
bin1000010001010010…
…1000001111011111
312201201022200210111
42010110220033133
514021310001343
61004142150451
7106004455600
oct20424501737
95651280714
102220000223
11a3a150031
1251b582427
13294c14bcc
14170ba5da7
15ced6cc9d
hex845283df

2220000223 has 12 divisors (see below), whose sum is σ = 2718368760. Its totient is φ = 1802706192.

The previous prime is 2220000221. The next prime is 2220000229. The reversal of 2220000223 is 3220000222.

It is not a de Polignac number, because 2220000223 - 21 = 2220000221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220000221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191336 + ... + 1193197.

It is an arithmetic number, because the mean of its divisors is an integer number (226530730).

Almost surely, 22220000223 is an apocalyptic number.

2220000223 is a deficient number, since it is larger than the sum of its proper divisors (498368537).

2220000223 is a wasteful number, since it uses less digits than its factorization.

2220000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384566 (or 2384559 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2220000223 is about 47116.8783240146. The cubic root of 2220000223 is about 1304.5207937004.

Adding to 2220000223 its reverse (3220000222), we get a palindrome (5440000445).

Subtracting 2220000223 from its reverse (3220000222), we obtain a palindrome (999999999).

The spelling of 2220000223 in words is "two billion, two hundred twenty million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 19 49 133 931 2384533 16691731 45306127 116842117 317142889 2220000223