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12022223 is a prime number
BaseRepresentation
bin101101110111…
…000111001111
3211121210101112
4231313013033
511034202343
61105402235
7204121133
oct55670717
924553345
1012022223
116871524
12403937b
13264c155
14184d3c3
1510c7218
hexb771cf

12022223 has 2 divisors, whose sum is σ = 12022224. Its totient is φ = 12022222.

The previous prime is 12022181. The next prime is 12022229. The reversal of 12022223 is 32222021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12022223 - 26 = 12022159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022198 and 12022207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011111 + 6011112.

It is an arithmetic number, because the mean of its divisors is an integer number (6011112).

Almost surely, 212022223 is an apocalyptic number.

12022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022223 is an equidigital number, since it uses as much as digits as its factorization.

12022223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12022223 is about 3467.3077452110. The cubic root of 12022223 is about 229.0840890502.

Adding to 12022223 its reverse (32222021), we get a palindrome (44244244).

The spelling of 12022223 in words is "twelve million, twenty-two thousand, two hundred twenty-three".