4224245 has 8 divisors (see below), whose sum is σ = 5367384. Its totient is φ = 3180544.

The previous prime is 4224229. The next prime is 4224247. The reversal of 4224245 is 5424224.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 4165681 = 242^2 + 2041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4224245 - 2⁴ = 4224229 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2⁷ + 2¹¹ + 4⁷ + 2¹³ + 4¹¹ + 5⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24764 + ... + 24933.

It is an arithmetic number, because the mean of its divisors is an integer number (670923).

Almost surely, 2^4224245 is an apocalyptic number.

It is an amenable number.

4224245 is a deficient number, since it is larger than the sum of its proper divisors (1143139).

4224245 is a wasteful number, since it uses less digits than its factorization.

4224245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49719.

The product of its digits is 2560, while the sum is 23.

The square root of 4224245 is about 2055.2968155476. The cubic root of 4224245 is about 161.6527260921.

Adding to 4224245 its reverse (5424224), we get a palindrome (9648469).

The spelling of 4224245 in words is "four million, two hundred twenty-four thousand, two hundred forty-five".