4224857 has 16 divisors (see below), whose sum is σ = 5507712. Its totient is φ = 3144960.

The previous prime is 4224851. The next prime is 4224889. The reversal of 4224857 is 7584224.

It is not a de Polignac number, because 4224857 - 2⁸ = 4224601 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4224851) 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 in 15 ways as a sum of consecutive naturals, for example, 182 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (344232).

Almost surely, 2^4224857 is an apocalyptic number.

It is an amenable number.

4224857 is a deficient number, since it is larger than the sum of its proper divisors (1282855).

4224857 is a wasteful number, since it uses less digits than its factorization.

4224857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768.

The product of its digits is 17920, while the sum is 32.

The square root of 4224857 is about 2055.4456937608. The cubic root of 4224857 is about 161.6605323542.

The spelling of 4224857 in words is "four million, two hundred twenty-four thousand, eight hundred fifty-seven".