4224427 has 2 divisors, whose sum is σ = 4224428. Its totient is φ = 4224426.

The previous prime is 4224397. The next prime is 4224439. The reversal of 4224427 is 7244224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4224427 - 2¹⁵ = 4191659 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 2²¹ + 4⁵ + 4⁶ + 2²¹ + 7⁵ .

It is not a weakly prime, because it can be changed into another prime (4224457) 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 as a sum of consecutive naturals, namely, 2112213 + 2112214.

It is an arithmetic number, because the mean of its divisors is an integer number (2112214).

Almost surely, 2^4224427 is an apocalyptic number.

4224427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224427 is an equidigital number, since it uses as much as digits as its factorization.

4224427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 25.

The square root of 4224427 is about 2055.3410909141. The cubic root of 4224427 is about 161.6550476410.

The spelling of 4224427 in words is "four million, two hundred twenty-four thousand, four hundred twenty-seven".