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223220221230 = 235231631984709
BaseRepresentation
bin1100111111100011110…
…1100100010100101110
3210100011121020010211010
43033320331210110232
512124123334034410
6250313532010050
722061414400666
oct3177075442456
9710147203733
10223220221230
1186737aa5086
1237318000926
1318084bc5656
14ab37d371a6
155c16c84c20
hex33f8f6452e

223220221230 has 64 divisors (see below), whose sum is σ = 562450936320. Its totient is φ = 56587994496.

The previous prime is 223220221171. The next prime is 223220221247. The reversal of 223220221230 is 32122022322.

It is a super-3 number, since 3×2232202212303 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223220221197 and 223220221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879885 + ... + 1104824.

It is an arithmetic number, because the mean of its divisors is an integer number (8788295880).

Almost surely, 2223220221230 is an apocalyptic number.

223220221230 is an abundant number, since it is smaller than the sum of its proper divisors (339230715090).

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

223220221230 is a wasteful number, since it uses less digits than its factorization.

223220221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984905.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 223220221230 its reverse (32122022322), we get a palindrome (255342243552).

The spelling of 223220221230 in words is "two hundred twenty-three billion, two hundred twenty million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 163 230 326 345 489 690 815 978 1630 2445 3749 4890 7498 11247 18745 22494 37490 56235 112470 1984709 3969418 5954127 9923545 11908254 19847090 29770635 45648307 59541270 91296614 136944921 228241535 273889842 323507567 456483070 647015134 684724605 970522701 1369449210 1617537835 1941045402 3235075670 4852613505 7440674041 9705227010 14881348082 22322022123 37203370205 44644044246 74406740410 111610110615 223220221230