4224643 has 4 divisors (see below), whose sum is σ = 4230160. Its totient is φ = 4219128.

The previous prime is 4224637. The next prime is 4224667. The reversal of 4224643 is 3464224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4224643 - 2⁵ = 4224611 is a prime.

It is a d-powerful number, because it can be written as 4² + 2⁷ + 2¹³ + 4⁵ + 6⁴ + 4¹¹ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (1057540).

Almost surely, 2^4224643 is an apocalyptic number.

4224643 is a deficient number, since it is larger than the sum of its proper divisors (5517).

4224643 is an equidigital number, since it uses as much as digits as its factorization.

4224643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its digits is 4608, while the sum is 25.

The square root of 4224643 is about 2055.3936362653. The cubic root of 4224643 is about 161.6578027993.

Adding to 4224643 its reverse (3464224), we get a palindrome (7688867).

The spelling of 4224643 in words is "four million, two hundred twenty-four thousand, six hundred forty-three".