4224120 has 32 divisors (see below), whose sum is σ = 12672720. Its totient is φ = 1126400.

The previous prime is 4224097. The next prime is 4224127. The reversal of 4224120 is 214224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17481 + ... + 17720.

Almost surely, 2^4224120 is an apocalyptic number.

4224120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4224120 is an abundant number, since it is smaller than the sum of its proper divisors (8448600).

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

4224120 is a wasteful number, since it uses less digits than its factorization.

4224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35215 (or 35211 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4224120 is about 2055.2664060895. The cubic root of 4224120 is about 161.6511315831.

Adding to 4224120 its reverse (214224), we get a palindrome (4438344).

The spelling of 4224120 in words is "four million, two hundred twenty-four thousand, one hundred twenty".