Search a number
-
+
22022220012210 = 2345112471629631
BaseRepresentation
bin1010000000111011100101…
…00110011101101010110010
32212222022012101011221010000
411000131302212131222302
510341303001310342320
6114500511311050430
74432024066352445
oct500356246355262
985868171157100
1022022220012210
117020631095980
122578078b10a16
13c398c0140212
14561c49b9d65c
15282cad950c90
hex14077299dab2

22022220012210 has 80 divisors (see below), whose sum is σ = 64598512061952. Its totient is φ = 5338720000800.

The previous prime is 22022220012197. The next prime is 22022220012223. The reversal of 22022220012210 is 1221002222022.

22022220012210 is a `hidden beast` number, since 2 + 20 + 222 + 200 + 1 + 221 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22022220012197) and next prime (22022220012223).

It is a super-2 number, since 2×220222200122102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1235805906 + ... + 1235823725.

Almost surely, 222022220012210 is an apocalyptic number.

22022220012210 is an abundant number, since it is smaller than the sum of its proper divisors (42576292049742).

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

22022220012210 is a wasteful number, since it uses less digits than its factorization.

22022220012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471629661 (or 2471629652 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022220012210 its reverse (1221002222022), we get a palindrome (23243222234232).

The spelling of 22022220012210 in words is "twenty-two trillion, twenty-two billion, two hundred twenty million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 270 297 330 405 495 594 810 891 990 1485 1782 2970 4455 8910 2471629631 4943259262 7414888893 12358148155 14829777786 22244666679 24716296310 27187925941 37074444465 44489333358 54375851882 66734000037 74148888930 81563777823 111223333395 133468000074 135939629705 163127555646 200202000111 222446666790 244691333469 271879259410 333670000185 400404000222 407818889115 489382666938 667340000370 734074000407 815637778230 1001010000555 1223456667345 1468148000814 2002020001110 2202222001221 2446913334690 3670370002035 4404444002442 7340740004070 11011110006105 22022220012210