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12223319 = 103118673
BaseRepresentation
bin101110101000…
…001101010111
3212000000020112
4232220031113
511112121234
61113553235
7205616333
oct56501527
925000215
1012223319
116999619
12411581b
1326bc844
1418a27c3
151116ace
hexba8357

12223319 has 4 divisors (see below), whose sum is σ = 12342096. Its totient is φ = 12104544.

The previous prime is 12223313. The next prime is 12223381. The reversal of 12223319 is 91332221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91332221 = 194806959.

It is a cyclic number.

It is not a de Polignac number, because 12223319 - 24 = 12223303 is a prime.

It is a super-2 number, since 2×122233192 = 298819054751522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12223294 and 12223303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223313) 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 3 ways as a sum of consecutive naturals, for example, 59234 + ... + 59439.

It is an arithmetic number, because the mean of its divisors is an integer number (3085524).

Almost surely, 212223319 is an apocalyptic number.

12223319 is a deficient number, since it is larger than the sum of its proper divisors (118777).

12223319 is a wasteful number, since it uses less digits than its factorization.

12223319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118776.

The product of its digits is 648, while the sum is 23.

The square root of 12223319 is about 3496.1863508686. The cubic root of 12223319 is about 230.3543309749.

The spelling of 12223319 in words is "twelve million, two hundred twenty-three thousand, three hundred nineteen".

Divisors: 1 103 118673 12223319