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12223033 = 52323371
BaseRepresentation
bin101110101000…
…001000111001
3211222222211221
4232220020321
511112114113
61113552041
7205615444
oct56501071
924888757
1012223033
116999389
124115621
1326bc684
1418a265b
15111698d
hexba8239

12223033 has 4 divisors (see below), whose sum is σ = 12246928. Its totient is φ = 12199140.

The previous prime is 12223031. The next prime is 12223037. The reversal of 12223033 is 33032221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12223033 - 21 = 12223031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222998 and 12223016.

It is not an unprimeable number, because it can be changed into a prime (12223031) 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 3 ways as a sum of consecutive naturals, for example, 11163 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (3061732).

Almost surely, 212223033 is an apocalyptic number.

It is an amenable number.

12223033 is a deficient number, since it is larger than the sum of its proper divisors (23895).

12223033 is an equidigital number, since it uses as much as digits as its factorization.

12223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23894.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 12223033 is about 3496.1454489194. The cubic root of 12223033 is about 230.3525343583.

Adding to 12223033 its reverse (33032221), we get a palindrome (45255254).

The spelling of 12223033 in words is "twelve million, two hundred twenty-three thousand, thirty-three".

Divisors: 1 523 23371 12223033