22124147 has 2 divisors, whose sum is σ = 22124148. Its totient is φ = 22124146.

The previous prime is 22124143. The next prime is 22124149. The reversal of 22124147 is 74142122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22124147 - 2² = 22124143 is a prime.

Together with 22124149, 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 (22124143) 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, 11062073 + 11062074.

It is an arithmetic number, because the mean of its divisors is an integer number (11062074).

Almost surely, 2^22124147 is an apocalyptic number.

22124147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22124147 is an equidigital number, since it uses as much as digits as its factorization.

22124147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 23.

The square root of 22124147 is about 4703.6312568057. The cubic root of 22124147 is about 280.7300125830.

Adding to 22124147 its reverse (74142122), we get a palindrome (96266269).

The spelling of 22124147 in words is "twenty-two million, one hundred twenty-four thousand, one hundred forty-seven".