4224918 has 8 divisors (see below), whose sum is σ = 8449848. Its totient is φ = 1408304.

The previous prime is 4224917. The next prime is 4224947. The reversal of 4224918 is 8194224.

It is a sphenic number, since it is the product of 3 distinct primes.

4224918 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224911) 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 3 ways as a sum of consecutive naturals, for example, 352071 + ... + 352082.

It is an arithmetic number, because the mean of its divisors is an integer number (1056231).

Almost surely, 2^4224918 is an apocalyptic number.

4224918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4224918 is a wasteful number, since it uses less digits than its factorization.

4224918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704158.

The product of its digits is 4608, while the sum is 30.

The square root of 4224918 is about 2055.4605323382. The cubic root of 4224918 is about 161.6613103881.

The spelling of 4224918 in words is "four million, two hundred twenty-four thousand, nine hundred eighteen".