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12223130 = 2510511163
BaseRepresentation
bin101110101000…
…001010011010
3211222222222112
4232220022122
511112120010
61113552322
7205615643
oct56501232
924888875
1012223130
116999467
1241156a2
1326bc72a
1418a26ca
151116a05
hexba829a

12223130 has 16 divisors (see below), whose sum is σ = 22041504. Its totient is φ = 4880400.

The previous prime is 12223109. The next prime is 12223139. The reversal of 12223130 is 3132221.

It is a happy number.

12223130 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (12223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9929 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (1377594).

Almost surely, 212223130 is an apocalyptic number.

12223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12223130 is a deficient number, since it is larger than the sum of its proper divisors (9818374).

12223130 is a wasteful number, since it uses less digits than its factorization.

12223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12223130 is about 3496.1593213125. The cubic root of 12223130 is about 230.3531437034.

Adding to 12223130 its reverse (3132221), we get a palindrome (15355351).

Subtracting from 12223130 its reverse (3132221), we obtain a palindrome (9090909).

The spelling of 12223130 in words is "twelve million, two hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1051 1163 2102 2326 5255 5815 10510 11630 1222313 2444626 6111565 12223130