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2212210105 = 5729029429
BaseRepresentation
bin1000001111011011…
…1010010110111001
312201011122220202121
42003312322112321
514012311210410
61003303201241
7105551322100
oct20366722671
95634586677
102212210105
11a3580a216
12518a46221
13293418181
1416db39037
15ce32e9da
hex83dba5b9

2212210105 has 12 divisors (see below), whose sum is σ = 3088065060. Its totient is φ = 1516943904.

The previous prime is 2212210093. The next prime is 2212210111. The reversal of 2212210105 is 5010122122.

2212210105 = 148692 + 148702 + ... + 148782.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1204020601 + 1008189504 = 34699^2 + 31752^2 .

It is not a de Polignac number, because 2212210105 - 25 = 2212210073 is a prime.

It is a super-2 number, since 2×22122101052 = 9787747097328222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4514470 + ... + 4514959.

It is an arithmetic number, because the mean of its divisors is an integer number (257338755).

Almost surely, 22212210105 is an apocalyptic number.

It is an amenable number.

2212210105 is a deficient number, since it is larger than the sum of its proper divisors (875854955).

2212210105 is an equidigital number, since it uses as much as digits as its factorization.

2212210105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029448 (or 9029441 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2212210105 is about 47034.1376555370. The cubic root of 2212210105 is about 1302.9931240430.

Adding to 2212210105 its reverse (5010122122), we get a palindrome (7222332227).

The spelling of 2212210105 in words is "two billion, two hundred twelve million, two hundred ten thousand, one hundred five".

Divisors: 1 5 7 35 49 245 9029429 45147145 63206003 316030015 442442021 2212210105