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22200220000 = 25547158573
BaseRepresentation
bin10100101011001111…
…000111100101100000
32010022011122000200101
4110223033013211200
5330431224020000
614110523432144
71414066520320
oct245317074540
963264560611
1022200220000
119462499962
124376985654
13212a48546a
1411085bd280
1589decce6a
hex52b3c7960

22200220000 has 120 divisors (see below), whose sum is σ = 62418532176. Its totient is φ = 7611456000.

The previous prime is 22200219973. The next prime is 22200220067. The reversal of 22200220000 is 2200222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60714 + ... + 219286.

Almost surely, 222200220000 is an apocalyptic number.

22200220000 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 22200220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31209266088).

22200220000 is an abundant number, since it is smaller than the sum of its proper divisors (40218312176).

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

22200220000 is an equidigital number, since it uses as much as digits as its factorization.

22200220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158610 (or 158587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22200220000 its reverse (2200222), we get a palindrome (22202420222).

The spelling of 22200220000 in words is "twenty-two billion, two hundred million, two hundred twenty thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 560 625 700 800 875 1000 1120 1250 1400 1750 2000 2500 2800 3500 4000 4375 5000 5600 7000 8750 10000 14000 17500 20000 28000 35000 70000 140000 158573 317146 634292 792865 1110011 1268584 1585730 2220022 2537168 3171460 3964325 4440044 5074336 5550055 6342920 7928650 8880088 11100110 12685840 15857300 17760176 19821625 22200220 25371680 27750275 31714600 35520352 39643250 44400440 55500550 63429200 79286500 88800880 99108125 111001100 126858400 138751375 158573000 177601760 198216250 222002200 277502750 317146000 396432500 444004400 555005500 634292000 693756875 792865000 888008800 1110011000 1387513750 1585730000 2220022000 2775027500 3171460000 4440044000 5550055000 11100110000 22200220000