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222130303220 = 22576771333539
BaseRepresentation
bin1100111011011111111…
…1110111000011110100
3210020100122100120101102
43032313333313003310
512114410324200340
6250013435145232
722022411265320
oct3166777670364
9706318316342
10222130303220
11862288465a1
1237072ba5218
1317c40164957
14aa732a0980
155ba1241215
hex33b7ff70f4

222130303220 has 96 divisors (see below), whose sum is σ = 548691978240. Its totient is φ = 73965386880.

The previous prime is 222130303207. The next prime is 222130303231. The reversal of 222130303220 is 22303031222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222130303192 and 222130303201.

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, 499211 + ... + 832749.

It is an arithmetic number, because the mean of its divisors is an integer number (5715541440).

Almost surely, 2222130303220 is an apocalyptic number.

222130303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222130303220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274345989120).

222130303220 is an abundant number, since it is smaller than the sum of its proper divisors (326561675020).

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

222130303220 is a wasteful number, since it uses less digits than its factorization.

222130303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333693 (or 333691 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222130303220 its reverse (22303031222), we get a palindrome (244433334442).

The spelling of 222130303220 in words is "two hundred twenty-two billion, one hundred thirty million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 71 134 140 142 268 284 335 355 469 497 670 710 938 994 1340 1420 1876 1988 2345 2485 4690 4757 4970 9380 9514 9940 19028 23785 33299 47570 66598 95140 133196 166495 332990 333539 665980 667078 1334156 1667695 2334773 3335390 4669546 6670780 9339092 11673865 22347113 23347730 23681269 44694226 46695460 47362538 89388452 94725076 111735565 118406345 156429791 165768883 223471130 236812690 312859582 331537766 446942260 473625380 625719164 663075532 782148955 828844415 1564297910 1586645023 1657688830 3128595820 3173290046 3315377660 6346580092 7933225115 11106515161 15866450230 22213030322 31732900460 44426060644 55532575805 111065151610 222130303220