4224851 has 2 divisors, whose sum is σ = 4224852. Its totient is φ = 4224850.

The previous prime is 4224839. The next prime is 4224889. The reversal of 4224851 is 1584224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4224851 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4224851.

It is not a weakly prime, because it can be changed into another prime (4224811) 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, 2112425 + 2112426.

It is an arithmetic number, because the mean of its divisors is an integer number (2112426).

Almost surely, 2^4224851 is an apocalyptic number.

4224851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224851 is an equidigital number, since it uses as much as digits as its factorization.

4224851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 26.

The square root of 4224851 is about 2055.4442342229. Note that the first 3 decimals coincide. The cubic root of 4224851 is about 161.6604558259.

The spelling of 4224851 in words is "four million, two hundred twenty-four thousand, eight hundred fifty-one".