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222112232131 = 479343505811
BaseRepresentation
bin1100111011011011101…
…0111011001011000011
3210020022101100110111211
43032312322323023003
512114341212412011
6250011551550551
722022101552036
oct3166672731303
9706271313454
10222112232131
1186219623509
1237068b2b457
1317c394a84ba
14aa70b1901d
155b9e871b21
hex33b6ebb2c3

222112232131 has 8 divisors (see below), whose sum is σ = 226862751744. Its totient is φ = 217362742920.

The previous prime is 222112232107. The next prime is 222112232171. The reversal of 222112232131 is 131232211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222112232131 - 25 = 222112232099 is a prime.

It is a super-2 number, since 2×2221122321312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112232171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186216 + ... + 692026.

It is an arithmetic number, because the mean of its divisors is an integer number (28357843968).

Almost surely, 2222112232131 is an apocalyptic number.

222112232131 is a deficient number, since it is larger than the sum of its proper divisors (4750519613).

222112232131 is an equidigital number, since it uses as much as digits as its factorization.

222112232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515201.

The product of its digits is 576, while the sum is 22.

Adding to 222112232131 its reverse (131232211222), we get a palindrome (353344443353).

The spelling of 222112232131 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 47 9343 439121 505811 23773117 4725792173 222112232131