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112220220 = 223572311617
BaseRepresentation
bin1101011000001…
…01100000111100
321211011101012110
412230011200330
5212212021340
615045134020
72531566440
oct654054074
9254141173
10112220220
1158388792
12316ba310
131a331ac8
1410c92820
159cba680
hex6b0583c

112220220 has 96 divisors (see below), whose sum is σ = 374750208. Its totient is φ = 24532992.

The previous prime is 112220201. The next prime is 112220231. The reversal of 112220220 is 22022211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112220196 and 112220205.

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, 3852 + ... + 15468.

It is an arithmetic number, because the mean of its divisors is an integer number (3903648).

Almost surely, 2112220220 is an apocalyptic number.

112220220 is a gapful number since it is divisible by the number (10) 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 112220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187375104).

112220220 is an abundant number, since it is smaller than the sum of its proper divisors (262529988).

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

112220220 is a wasteful number, since it uses less digits than its factorization.

112220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659 (or 11657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 112220220 is about 10593.4045518898. The cubic root of 112220220 is about 482.3441754773.

Adding to 112220220 its reverse (22022211), we get a palindrome (134242431).

The spelling of 112220220 in words is "one hundred twelve million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 460 483 644 690 805 966 1380 1610 1932 2415 3220 4830 9660 11617 23234 34851 46468 58085 69702 81319 116170 139404 162638 174255 232340 243957 267191 325276 348510 406595 487914 534382 697020 801573 813190 975828 1068764 1219785 1335955 1603146 1626380 1870337 2439570 2671910 3206292 3740674 4007865 4879140 5343820 5611011 7481348 8015730 9351685 11222022 16031460 18703370 22444044 28055055 37406740 56110110 112220220