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230012220222 = 232234711820959
BaseRepresentation
bin1101011000110111001…
…0111111001100111110
3210222200221120102212100
43112031302333030332
512232031112021342
6253355520045530
722421626420221
oct3261562771476
9728627512770
10230012220222
11896029a1494
12386b27638a6
13188c80a2575
14b1bddcb5b8
155eb31b3e4c
hex358dcbf33e

230012220222 has 48 divisors (see below), whose sum is σ = 531092090880. Its totient is φ = 71776856976.

The previous prime is 230012220197. The next prime is 230012220257. The reversal of 230012220222 is 222022210032.

230012220222 is a `hidden beast` number, since 2 + 300 + 122 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230012220195 and 230012220204.

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, 5891022 + ... + 5929937.

It is an arithmetic number, because the mean of its divisors is an integer number (11064418560).

Almost surely, 2230012220222 is an apocalyptic number.

230012220222 is an abundant number, since it is smaller than the sum of its proper divisors (301079870658).

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

230012220222 is a wasteful number, since it uses less digits than its factorization.

230012220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821037 (or 11821034 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 230012220222 its reverse (222022210032), we get a palindrome (452034430254).

The spelling of 230012220222 in words is "two hundred thirty billion, twelve million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 46 47 69 94 138 141 207 282 414 423 846 1081 2162 3243 6486 9729 19458 11820959 23641918 35462877 70925754 106388631 212777262 271882057 543764114 555585073 815646171 1111170146 1631292342 1666755219 2446938513 3333510438 4893877026 5000265657 10000531314 12778456679 25556913358 38335370037 76670740074 115006110111 230012220222