4224375 has 30 divisors (see below), whose sum is σ = 7635056. Its totient is φ = 2250000.

The previous prime is 4224373. The next prime is 4224377. The reversal of 4224375 is 5734224.

It is an interprime number because it is at equal distance from previous prime (4224373) and next prime (4224377).

It is not a de Polignac number, because 4224375 - 2¹ = 4224373 is a prime.

It is a d-powerful number, because it can be written as 4² + 2¹¹ + 2¹³ + 4¹¹ + 3⁹ + 7 + 5³ .

It is a Duffinian number.

4224375 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224371) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5250 + ... + 6000.

Almost surely, 2^4224375 is an apocalyptic number.

4224375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4224375 is a deficient number, since it is larger than the sum of its proper divisors (3410681).

4224375 is an equidigital number, since it uses as much as digits as its factorization.

4224375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 759 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 4224375 is about 2055.3284409067. The cubic root of 4224375 is about 161.6543843481.

Adding to 4224375 its reverse (5734224), we get a palindrome (9958599).

The spelling of 4224375 in words is "four million, two hundred twenty-four thousand, three hundred seventy-five".