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2210222122212 = 22313107159782913
BaseRepresentation
bin100000001010011011100…
…000010010010011100100
321211021222011212010222110
4200022123200102103210
5242203013330402322
64411210110401020
7315453236026446
oct40123340222344
97737864763873
102210222122212
11782393849775
122b8432b00170
131305665a2370
1478d923d4496
153c75da88c0c
hex2029b8124e4

2210222122212 has 96 divisors (see below), whose sum is σ = 5609374872192. Its totient is φ = 673282584576.

The previous prime is 2210222122183. The next prime is 2210222122217. The reversal of 2210222122212 is 2122212220122.

It is not an unprimeable number, because it can be changed into a prime (2210222122217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26615668 + ... + 26698580.

It is an arithmetic number, because the mean of its divisors is an integer number (58430988252).

Almost surely, 22210222122212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210222122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804687436096).

2210222122212 is an abundant number, since it is smaller than the sum of its proper divisors (3399152749980).

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

2210222122212 is a wasteful number, since it uses less digits than its factorization.

2210222122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84637 (or 84635 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2210222122212 its reverse (2122212220122), we get a palindrome (4332434342334).

The spelling of 2210222122212 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 107 156 214 321 428 642 1284 1391 1597 2782 3194 4173 4791 5564 6388 8346 9582 16692 19164 20761 41522 62283 82913 83044 124566 165826 170879 248739 249132 331652 341758 497478 512637 683516 994956 1025274 1077869 2050548 2155738 2221427 3233607 4311476 4442854 6467214 6664281 8871691 8885708 12934428 13328562 17743382 26615073 26657124 35486764 53230146 106460292 115331983 132412061 230663966 264824122 345995949 397236183 461327932 529648244 691991898 794472366 1383983796 1588944732 1721356793 3442713586 5164070379 6885427172 10328140758 14168090527 20656281516 28336181054 42504271581 56672362108 85008543162 170017086324 184185176851 368370353702 552555530553 736740707404 1105111061106 2210222122212