22230347 has 2 divisors, whose sum is σ = 22230348. Its totient is φ = 22230346.

The previous prime is 22230343. The next prime is 22230349. The reversal of 22230347 is 74303222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22230347 - 2² = 22230343 is a prime.

Together with 22230349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22230343) 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 as a sum of consecutive naturals, namely, 11115173 + 11115174.

It is an arithmetic number, because the mean of its divisors is an integer number (11115174).

Almost surely, 2^22230347 is an apocalyptic number.

22230347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230347 is an equidigital number, since it uses as much as digits as its factorization.

22230347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22230347 is about 4714.9068919757. The cubic root of 22230347 is about 281.1784811072.

Adding to 22230347 its reverse (74303222), we get a palindrome (96533569).

The spelling of 22230347 in words is "twenty-two million, two hundred thirty thousand, three hundred forty-seven".