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2212266140 = 225719831679
BaseRepresentation
bin1000001111011100…
…1000000010011100
312201011202202121222
42003313020002130
514012320004030
61003304312512
7105551644340
oct20367100234
95634682558
102212266140
11a35848327
12518a72738
13293437826
1416db51620
15ce3413e5
hex83dc809c

2212266140 has 48 divisors (see below), whose sum is σ = 5588889600. Its totient is φ = 718569792.

The previous prime is 2212266139. The next prime is 2212266181. The reversal of 2212266140 is 416622122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413180 + ... + 418499.

It is an arithmetic number, because the mean of its divisors is an integer number (116435200).

Almost surely, 22212266140 is an apocalyptic number.

2212266140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212266140 is an abundant number, since it is smaller than the sum of its proper divisors (3376623460).

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

2212266140 is a wasteful number, since it uses less digits than its factorization.

2212266140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831714 (or 831712 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2212266140 is about 47034.7333361209. The cubic root of 2212266140 is about 1303.0041255001.

Adding to 2212266140 its reverse (416622122), we get a palindrome (2628888262).

The spelling of 2212266140 in words is "two billion, two hundred twelve million, two hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 831679 1663358 3326716 4158395 5821753 8316790 11643506 15801901 16633580 23287012 29108765 31603802 58217530 63207604 79009505 110613307 116435060 158019010 221226614 316038020 442453228 553066535 1106133070 2212266140