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22010212212222 = 23131451454942751
BaseRepresentation
bin1010000000100101001101…
…11000010101110111111110
32212221011012112101111012010
411000102212320111313332
510341103403311242342
6114451204002152050
74431120401631303
oct500224670256776
985834175344163
1022010212212222
117016529a97033
122575887652626
13c387284a7320
1456142b1110aa
1528280968e29c
hex1404a6e15dfe

22010212212222 has 64 divisors (see below), whose sum is σ = 47450821017600. Its totient is φ = 6766059600000.

The previous prime is 22010212212181. The next prime is 22010212212227. The reversal of 22010212212222 is 22221221201022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010212212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514825347 + ... + 514868097.

It is an arithmetic number, because the mean of its divisors is an integer number (741419078400).

Almost surely, 222010212212222 is an apocalyptic number.

22010212212222 is an abundant number, since it is smaller than the sum of its proper divisors (25440608805378).

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

22010212212222 is a wasteful number, since it uses less digits than its factorization.

22010212212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48769.

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

Adding to 22010212212222 its reverse (22221221201022), we get a palindrome (44231433413244).

The spelling of 22010212212222 in words is "twenty-two trillion, ten billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 1451 2902 4353 4549 8706 9098 13647 18863 27294 37726 42751 56589 59137 85502 113178 118274 128253 177411 256506 354822 555763 1111526 1667289 3334578 6600599 13201198 19801797 39603594 62031701 85807787 124063402 171615574 186095103 194474299 257423361 372190206 388948598 514846722 583422897 806412113 1166845794 1612824226 2419236339 2528165887 4838472678 5056331774 7584497661 15168995322 282182207849 564364415698 846546623547 1693093247094 3668368702037 7336737404074 11005106106111 22010212212222