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222130505000 = 235444426101
BaseRepresentation
bin1100111011100000000…
…0101000010100101000
3210020100122201211011202
43032320000220110220
512114410402130000
6250013443343332
722022413065515
oct3167000502450
9706318654152
10222130505000
1186228974158
1237073081b48
1317c40205751
14aa7331430c
155ba1280dd5
hex33b8028528

222130505000 has 40 divisors (see below), whose sum is σ = 520451784930. Its totient is φ = 88852200000.

The previous prime is 222130504961. The next prime is 222130505027. The reversal of 222130505000 is 505031222.

222130505000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 26283542884 + 195846962116 = 162122^2 + 442546^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2221305050002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22208051 + ... + 22218050.

Almost surely, 2222130505000 is an apocalyptic number.

222130505000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222130505000 is an abundant number, since it is smaller than the sum of its proper divisors (298321279930).

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

222130505000 is an equidigital number, since it uses as much as digits as its factorization.

222130505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44426127 (or 44426108 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 222130505000 its reverse (505031222), we get a palindrome (222635536222).

The spelling of 222130505000 in words is "two hundred twenty-two billion, one hundred thirty million, five hundred five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 44426101 88852202 177704404 222130505 355408808 444261010 888522020 1110652525 1777044040 2221305050 4442610100 5553262625 8885220200 11106525250 22213050500 27766313125 44426101000 55532626250 111065252500 222130505000