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22022220112 = 245930775989
BaseRepresentation
bin10100100000101000…
…000110100101010000
32002211202200200201221
4110200220012211100
5330100142020422
614041124334424
71406505532234
oct244050064520
962752620657
1022022220112
119380a72a12
124327244414
1320cc631a99
1410ccac65c4
1588d56c3c7
hex520a06950

22022220112 has 40 divisors (see below), whose sum is σ = 43533151200. Its totient is φ = 10789080192.

The previous prime is 22022220089. The next prime is 22022220119. The reversal of 22022220112 is 21102222022.

It is a super-3 number, since 3×220222201123 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022220119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251814 + ... + 327802.

It is an arithmetic number, because the mean of its divisors is an integer number (1088328780).

Almost surely, 222022220112 is an apocalyptic number.

It is an amenable number.

22022220112 is a deficient number, since it is larger than the sum of its proper divisors (21510931088).

22022220112 is a wasteful number, since it uses less digits than its factorization.

22022220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76363 (or 76357 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022220112 its reverse (21102222022), we get a palindrome (43124442134).

The spelling of 22022220112 in words is "twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 59 118 236 307 472 614 944 1228 2456 4912 18113 36226 72452 75989 144904 151978 289808 303956 607912 1215824 4483351 8966702 17933404 23328623 35866808 46657246 71733616 93314492 186628984 373257968 1376388757 2752777514 5505555028 11011110056 22022220112