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2112220122 = 23352036687
BaseRepresentation
bin111110111100101…
…1110101111011010
312110012111220021220
41331321132233122
513311212020442
6545332112510
7103225401105
oct17571365732
95405456256
102112220122
11994325271
124ab465736
132787a90bc
1416074b73c
15c567ceec
hex7de5ebda

2112220122 has 8 divisors (see below), whose sum is σ = 4224440256. Its totient is φ = 704073372.

The previous prime is 2112220079. The next prime is 2112220151. The reversal of 2112220122 is 2210222112.

It is a sphenic number, since it is the product of 3 distinct primes.

2112220122 is an admirable number.

It is a super-2 number, since 2×21122201222 = 8922947687563389768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176018338 + ... + 176018349.

It is an arithmetic number, because the mean of its divisors is an integer number (528055032).

Almost surely, 22112220122 is an apocalyptic number.

2112220122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2112220122 is a wasteful number, since it uses less digits than its factorization.

2112220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352036692.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2112220122 is about 45958.8960050174. The cubic root of 2112220122 is about 1283.0583042423.

Adding to 2112220122 its reverse (2210222112), we get a palindrome (4322442234).

The spelling of 2112220122 in words is "two billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 352036687 704073374 1056110061 2112220122