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2221163230 = 2511136797239
BaseRepresentation
bin1000010001100100…
…0100001011011110
312201210111210010211
42010121010023132
514022104210410
61004223123034
7106020401356
oct20431041336
95653453124
102221163230
11a3a8748a0
1251ba4347a
13295231390
14170dc9b66
15ceeec68a
hex846442de

2221163230 has 128 divisors (see below), whose sum is σ = 4836464640. Its totient is φ = 723824640.

The previous prime is 2221163227. The next prime is 2221163239. The reversal of 2221163230 is 323611222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221163239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9293451 + ... + 9293689.

It is an arithmetic number, because the mean of its divisors is an integer number (37784880).

Almost surely, 22221163230 is an apocalyptic number.

2221163230 is an abundant number, since it is smaller than the sum of its proper divisors (2615301410).

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

2221163230 is a wasteful number, since it uses less digits than its factorization.

2221163230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2221163230 is about 47129.2184318815. The cubic root of 2221163230 is about 1304.7485567339.

Adding to 2221163230 its reverse (323611222), we get a palindrome (2544774452).

The spelling of 2221163230 in words is "two billion, two hundred twenty-one million, one hundred sixty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 67 97 110 130 134 143 194 239 286 335 478 485 670 715 737 871 970 1067 1195 1261 1430 1474 1742 2134 2390 2522 2629 3107 3685 4355 5258 5335 6214 6305 6499 7370 8710 9581 10670 12610 12998 13145 13871 15535 16013 19162 23183 26290 27742 31070 32026 32495 34177 46366 47905 64990 68354 69355 71489 80065 84487 95810 115915 138710 142978 160130 168974 170885 176143 208169 231830 255013 301379 341770 352286 357445 416338 422435 510026 602758 714890 844870 880715 929357 1040845 1275065 1506895 1553261 1761430 1858714 2081690 2289859 2550130 3013790 3106522 3315169 4579718 4646785 6630338 7766305 9293570 11449295 15532610 16575845 17085871 20192393 22898590 33151690 34171742 40384786 85429355 100961965 170858710 201923930 222116323 444232646 1110581615 2221163230