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22022010211220 = 2258912371915849
BaseRepresentation
bin1010000000111011001100…
…00110001000101110010100
32212222021122202101221020222
411000131212012020232110
510341302034103224340
6114500434414213512
74432015641154655
oct500354606105624
985867582357228
1022022010211220
117020533719328
12257801a7b4298
13c39888833b16
14561c29d8952c
15282c9a30c8b5
hex140766188b94

22022010211220 has 24 divisors (see below), whose sum is σ = 46765841913000. Its totient is φ = 8709828756992.

The previous prime is 22022010211219. The next prime is 22022010211249. The reversal of 22022010211220 is 2211201022022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97402664836 + 21924607546384 = 312094^2 + 4682372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6185956145 + ... + 6185959704.

It is an arithmetic number, because the mean of its divisors is an integer number (1948576746375).

Almost surely, 222022010211220 is an apocalyptic number.

22022010211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022010211220 is an abundant number, since it is smaller than the sum of its proper divisors (24743831701780).

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

22022010211220 is a wasteful number, since it uses less digits than its factorization.

22022010211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371915947 (or 12371915945 counting only the distinct ones).

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

Adding to 22022010211220 its reverse (2211201022022), we get a palindrome (24233211233242).

The spelling of 22022010211220 in words is "twenty-two trillion, twenty-two billion, ten million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 12371915849 24743831698 49487663396 61859579245 123719158490 247438316980 1101100510561 2202201021122 4404402042244 5505502552805 11011005105610 22022010211220