4224393 has 10 divisors (see below), whose sum is σ = 6310634. Its totient is φ = 2816208.

The previous prime is 4224391. The next prime is 4224397. The reversal of 4224393 is 3934224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4210704 + 13689 = 2052^2 + 117^2 .

It is not a de Polignac number, because 4224393 - 2¹ = 4224391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4² + 2 + 2¹³ + 4¹¹ + 3⁷ + 9 + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224391) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25996 + ... + 26157.

Almost surely, 2^4224393 is an apocalyptic number.

It is an amenable number.

4224393 is a deficient number, since it is larger than the sum of its proper divisors (2086241).

4224393 is an equidigital number, since it uses as much as digits as its factorization.

4224393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52165 (or 52156 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4224393 is about 2055.3328197642. The cubic root of 4224393 is about 161.6546139501.

The spelling of 4224393 in words is "four million, two hundred twenty-four thousand, three hundred ninety-three".