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2220213230 = 252316757803
BaseRepresentation
bin1000010001010101…
…1100001111101110
312201201201111222122
42010111130033232
514021333310410
61004150512542
7106006333604
oct20425341756
95651644878
102220213230
11a3a286074
1251b665752
13294c8ab51
14170c1d874
15cedb0e55
hex8455c3ee

2220213230 has 32 divisors (see below), whose sum is σ = 4195183104. Its totient is φ = 844371616.

The previous prime is 2220213227. The next prime is 2220213241. The reversal of 2220213230 is 323120222.

2220213230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220213199 and 2220213208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9509 + ... + 67311.

It is an arithmetic number, because the mean of its divisors is an integer number (131099472).

Almost surely, 22220213230 is an apocalyptic number.

2220213230 is a deficient number, since it is larger than the sum of its proper divisors (1974969874).

2220213230 is a wasteful number, since it uses less digits than its factorization.

2220213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58000.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2220213230 is about 47119.1386805829. The cubic root of 2220213230 is about 1304.5625148935.

Adding to 2220213230 its reverse (323120222), we get a palindrome (2543333452).

The spelling of 2220213230 in words is "two billion, two hundred twenty million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 167 230 334 835 1670 3841 7682 19205 38410 57803 115606 289015 578030 1329469 2658938 6647345 9653101 13294690 19306202 48265505 96531010 222021323 444042646 1110106615 2220213230