Search a number
-
+
12222230025 = 352311523997
BaseRepresentation
bin10110110001000000…
…00110111000001001
31011112210021121122010
423120200012320021
5200012342330100
65340444450133
7611610145455
oct133040067011
934483247563
1012222230025
115202148355
122451249949
1311ca203295
1483d349665
154b801b750
hex2d8806e09

12222230025 has 24 divisors (see below), whose sum is σ = 20272434624. Its totient is φ = 6497550400.

The previous prime is 12222230023. The next prime is 12222230101. The reversal of 12222230025 is 52003222221.

It is not a de Polignac number, because 12222230025 - 21 = 12222230023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222229983 and 12222230010.

It is not an unprimeable number, because it can be changed into a prime (12222230023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238674 + ... + 285323.

It is an arithmetic number, because the mean of its divisors is an integer number (844684776).

Almost surely, 212222230025 is an apocalyptic number.

12222230025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12222230025 is a deficient number, since it is larger than the sum of its proper divisors (8050204599).

12222230025 is a wasteful number, since it uses less digits than its factorization.

12222230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524321 (or 524316 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 12222230025 its reverse (52003222221), we get a palindrome (64225452246).

The spelling of 12222230025 in words is "twelve billion, two hundred twenty-two million, two hundred thirty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 311 933 1555 4665 7775 23325 523997 1571991 2619985 7859955 13099925 39299775 162963067 488889201 814815335 2444446005 4074076675 12222230025