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22010210212220 = 22541252110647251
BaseRepresentation
bin1010000000100101001101…
…10000101101100101111100
32212221011012101121212200222
411000102212300231211330
510341103402303242340
6114451203451240512
74431120345631346
oct500224660554574
985834171555628
1022010210212220
11701652895043a
122575886a49138
13c38727c56ba9
1456142ab50296
152828093e68b5
hex1404a6c2d97c

22010210212220 has 48 divisors (see below), whose sum is σ = 47367579875616. Its totient is φ = 8585942400000.

The previous prime is 22010210212187. The next prime is 22010210212247. The reversal of 22010210212220 is 2221201201022.

It is a happy number.

It is a super-2 number, since 2×220102102122202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3256406 + ... + 7390845.

It is an arithmetic number, because the mean of its divisors is an integer number (986824580742).

Almost surely, 222010210212220 is an apocalyptic number.

22010210212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010210212220 is an abundant number, since it is smaller than the sum of its proper divisors (25357369663396).

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

22010210212220 is a wasteful number, since it uses less digits than its factorization.

22010210212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649822 (or 10649820 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22010210212220 its reverse (2221201201022), we get a palindrome (24231411413242).

The spelling of 22010210212220 in words is "twenty-two trillion, ten billion, two hundred ten million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2521 5042 10084 12605 25210 50420 103361 206722 413444 516805 1033610 2067220 10647251 21294502 42589004 53236255 106472510 212945020 436537291 873074582 1746149164 2182686455 4365372910 8730745820 26841719771 53683439542 107366879084 134208598855 268417197710 536834395420 1100510510611 2201021021222 4402042042444 5502552553055 11005105106110 22010210212220