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22010000220 = 22325139405983
BaseRepresentation
bin10100011111111001…
…011111001101011100
32002210220200212012100
4110133321133031130
5330034030001340
614040010405100
71406266625565
oct243771371534
962726625170
1022010000220
119375086a2a
124323130790
1320c9c43990
1410cb22516c
1588c456830
hex51fe5f35c

22010000220 has 72 divisors (see below), whose sum is σ = 71899341696. Its totient is φ = 5417845632.

The previous prime is 22010000183. The next prime is 22010000231. The reversal of 22010000220 is 2200001022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4700652 + ... + 4705331.

It is an arithmetic number, because the mean of its divisors is an integer number (998601968).

Almost surely, 222010000220 is an apocalyptic number.

22010000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010000220 is an abundant number, since it is smaller than the sum of its proper divisors (49889341476).

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

22010000220 is a wasteful number, since it uses less digits than its factorization.

22010000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406011 (or 9406006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22010000220 its reverse (2200001022), we get a palindrome (24210001242).

The spelling of 22010000220 in words is "twenty-two billion, ten million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 9405983 18811966 28217949 37623932 47029915 56435898 84653847 94059830 112871796 122277779 141089745 169307694 188119660 244555558 282179490 338615388 366833337 423269235 489111116 564358980 611388895 733666674 846538470 1100500011 1222777790 1467333348 1693076940 1834166685 2201000022 2445555580 3668333370 4402000044 5502500055 7336666740 11005000110 22010000220