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22022222022220 = 2257797197367109
BaseRepresentation
bin1010000000111011100101…
…01110001000011001001100
32212222022012111222001022211
411000131302232020121030
510341303002314202340
6114500511422120204
74432024122423520
oct500356256103114
985868174861284
1022022222022220
117020632239042
122578079720064
13c398c0695084
14561c4a163d80
15282cadbeb5ea
hex140772b8864c

22022222022220 has 48 divisors (see below), whose sum is σ = 52919648470080. Its totient is φ = 7541002462464.

The previous prime is 22022222022209. The next prime is 22022222022239. The reversal of 22022222022220 is 2222022222022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22022222022191 and 22022222022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98571975 + ... + 98795134.

It is an arithmetic number, because the mean of its divisors is an integer number (1102492676460).

Almost surely, 222022222022220 is an apocalyptic number.

22022222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022222022220 is an abundant number, since it is smaller than the sum of its proper divisors (30897426447860).

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

22022222022220 is a wasteful number, since it uses less digits than its factorization.

22022222022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197367922 (or 197367920 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22022222022220 its reverse (2222022222022), we get a palindrome (24244244244242).

The spelling of 22022222022220 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 797 1594 3188 3985 5579 7970 11158 15940 22316 27895 55790 111580 197367109 394734218 789468436 986835545 1381569763 1973671090 2763139526 3947342180 5526279052 6907848815 13815697630 27631395260 157301585873 314603171746 629206343492 786507929365 1101111101111 1573015858730 2202222202222 3146031717460 4404444404444 5505555505555 11011111011110 22022222022220