4224418 has 16 divisors (see below), whose sum is σ = 7045056. Its totient is φ = 1883440.

The previous prime is 4224397. The next prime is 4224427. The reversal of 4224418 is 8144224.

It is a junction number, because it is equal to n+sod(n) for n = 4224392 and 4224401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (440316).

Almost surely, 2^4224418 is an apocalyptic number.

4224418 is a deficient number, since it is larger than the sum of its proper divisors (2820638).

4224418 is a wasteful number, since it uses less digits than its factorization.

4224418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its digits is 2048, while the sum is 25.

The square root of 4224418 is about 2055.3389014953. The cubic root of 4224418 is about 161.6549328407.

It can be divided in two parts, 4 and 224418, that added together give a palindrome (224422).

The spelling of 4224418 in words is "four million, two hundred twenty-four thousand, four hundred eighteen".