4224845 has 16 divisors (see below), whose sum is σ = 5343408. Its totient is φ = 3202560.

The previous prime is 4224839. The next prime is 4224851. The reversal of 4224845 is 5484224.

It is an interprime number because it is at equal distance from previous prime (4224839) and next prime (4224851).

It can be written as a sum of positive squares in 8 ways, for example, as 546121 + 3678724 = 739^2 + 1918^2 .

It is not a de Polignac number, because 4224845 - 2⁸ = 4224589 is a prime.

It is a Duffinian number.

Its product of digits (10240) is a multiple of the sum of its prime divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7307 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (333963).

Almost surely, 2^4224845 is an apocalyptic number.

It is an amenable number.

4224845 is a deficient number, since it is larger than the sum of its proper divisors (1118563).

4224845 is a wasteful number, since it uses less digits than its factorization.

4224845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 10240, while the sum is 29.

The square root of 4224845 is about 2055.4427746838. The cubic root of 4224845 is about 161.6603792975.

The spelling of 4224845 in words is "four million, two hundred twenty-four thousand, eight hundred forty-five".