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2223140443220 = 2252343127884987
BaseRepresentation
bin100000010110011101011…
…111110001010001010100
321212112022110221211221002
4200112131133301101110
5242410442423140340
64421144023042432
7316421330656064
oct40263537612124
97775273854832
102223140443220
11787912906524
122baa392a0418
13131844a766a8
1479859d7b3a4
153cc67c54715
hex2059d7f1454

2223140443220 has 96 divisors (see below), whose sum is σ = 5024126435328. Its totient is φ = 824268880512.

The previous prime is 2223140443169. The next prime is 2223140443229. The reversal of 2223140443220 is 223440413222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223140443229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2069567 + ... + 2954553.

It is an arithmetic number, because the mean of its divisors is an integer number (52334650368).

Almost surely, 22223140443220 is an apocalyptic number.

2223140443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223140443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512063217664).

2223140443220 is an abundant number, since it is smaller than the sum of its proper divisors (2800985992108).

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

2223140443220 is a wasteful number, since it uses less digits than its factorization.

2223140443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885189 (or 885187 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2223140443220 its reverse (223440413222), we get a palindrome (2446580856442).

The spelling of 2223140443220 in words is "two trillion, two hundred twenty-three billion, one hundred forty million, four hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 43 46 86 92 115 127 172 215 230 254 430 460 508 635 860 989 1270 1978 2540 2921 3956 4945 5461 5842 9890 10922 11684 14605 19780 21844 27305 29210 54610 58420 109220 125603 251206 502412 628015 884987 1256030 1769974 2512060 3539948 4424935 8849870 17699740 20354701 38054441 40709402 76108882 81418804 101773505 112393349 152217764 190272205 203547010 224786698 380544410 407094020 449573396 561966745 761088820 875252143 1123933490 1750504286 2247866980 2585047027 3501008572 4376260715 4832914007 5170094054 8752521430 9665828014 10340188108 12925235135 17505042860 19331656028 24164570035 25850470270 48329140070 51700940540 96658280140 111157022161 222314044322 444628088644 555785110805 1111570221610 2223140443220