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22020022222 = 211191011992621
BaseRepresentation
bin10100100000011111…
…101101111111001110
32002211121120000210121
4110200133231333032
5330044111202342
614041005255154
71406451046342
oct244037557716
962747500717
1022020022222
11937a801680
1243265644ba
1320cc042563
1410cc6b3622
1588d286067
hex5207edfce

22020022222 has 64 divisors (see below), whose sum is σ = 38511936000. Its totient is φ = 9337680000.

The previous prime is 22020022183. The next prime is 22020022223. The reversal of 22020022222 is 22222002022.

It is a happy number.

22020022222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 22020022196 and 22020022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020022223) 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, 8400072 + ... + 8402692.

It is an arithmetic number, because the mean of its divisors is an integer number (601749000).

Almost surely, 222020022222 is an apocalyptic number.

22020022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22020022222 is a deficient number, since it is larger than the sum of its proper divisors (16491913778).

22020022222 is a wasteful number, since it uses less digits than its factorization.

22020022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22020022222 its reverse (22222002022), we get a palindrome (44242024244).

The spelling of 22020022222 in words is "twenty-two billion, twenty million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 11 19 22 38 101 199 202 209 398 418 1111 1919 2189 2222 2621 3781 3838 4378 5242 7562 20099 21109 28831 40198 41591 42218 49799 57662 83182 99598 221089 264721 381881 442178 521579 529442 547789 763762 1043158 1095578 2911931 4200691 5029699 5737369 5823862 8401382 9910001 10059398 11474738 19820002 52679479 55326689 105358958 109010011 110653378 218020022 579474269 1000910101 1158948538 2001820202 11010011111 22020022222