2224643 has 4 divisors (see below), whose sum is σ = 2256048. Its totient is φ = 2193240.

The previous prime is 2224633. The next prime is 2224657. The reversal of 2224643 is 3464222.

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 2224643 - 2⁴ = 2224627 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁵ + 2²¹ + 4² + 6⁴ + 4⁸ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224633) 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, 15596 + ... + 15737.

It is an arithmetic number, because the mean of its divisors is an integer number (564012).

2^2224643 is an apocalyptic number.

2224643 is a deficient number, since it is larger than the sum of its proper divisors (31405).

2224643 is an equidigital number, since it uses as much as digits as its factorization.

2224643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31404.

The product of its digits is 2304, while the sum is 23.

The square root of 2224643 is about 1491.5237175452. The cubic root of 2224643 is about 130.5429559660.

Adding to 2224643 its reverse (3464222), we get a palindrome (5688865).

The spelling of 2224643 in words is "two million, two hundred twenty-four thousand, six hundred forty-three".