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2212220000 = 2554532087
BaseRepresentation
bin1000001111011011…
…1100110001100000
312201011200102100002
42003312330301200
514012312020000
61003303315132
7105551362664
oct20366746140
95634612302
102212220000
11a358166a1
12518a4baa8
1329341c823
1416db3c8a4
15ce3328d5
hex83dbcc60

2212220000 has 120 divisors (see below), whose sum is σ = 5547736656. Its totient is φ = 867776000.

The previous prime is 2212219969. The next prime is 2212220039. The reversal of 2212220000 is 222122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1058957 + ... + 1061043.

Almost surely, 22212220000 is an apocalyptic number.

2212220000 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 2212220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2773868328).

2212220000 is an abundant number, since it is smaller than the sum of its proper divisors (3335516656).

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

2212220000 is an equidigital number, since it uses as much as digits as its factorization.

2212220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2212220000 is about 47034.2428449741. The cubic root of 2212220000 is about 1302.9950667605.

Adding to 2212220000 its reverse (222122), we get a palindrome (2212442122).

The spelling of 2212220000 in words is "two billion, two hundred twelve million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 80 100 106 125 160 200 212 250 265 400 424 500 530 625 800 848 1000 1060 1250 1325 1696 2000 2087 2120 2500 2650 4000 4174 4240 5000 5300 6625 8348 8480 10000 10435 10600 13250 16696 20000 20870 21200 26500 33125 33392 41740 42400 52175 53000 66250 66784 83480 104350 106000 110611 132500 166960 208700 212000 221222 260875 265000 333920 417400 442444 521750 530000 553055 834800 884888 1043500 1060000 1106110 1304375 1669600 1769776 2087000 2212220 2608750 2765275 3539552 4174000 4424440 5217500 5530550 8348000 8848880 10435000 11061100 13826375 17697760 20870000 22122200 27652750 41740000 44244400 55305500 69131875 88488800 110611000 138263750 221222000 276527500 442444000 553055000 1106110000 2212220000