4420245 has 16 divisors (see below), whose sum is σ = 7143552. Its totient is φ = 2333760.

The previous prime is 4420231. The next prime is 4420249. The reversal of 4420245 is 5420244.

It is not a de Polignac number, because 4420245 - 2¹³ = 4412053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420249) 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 15 ways as a sum of consecutive naturals, for example, 115 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (446472).

Almost surely, 2^4420245 is an apocalyptic number.

It is an amenable number.

4420245 is a deficient number, since it is larger than the sum of its proper divisors (2723307).

4420245 is a wasteful number, since it uses less digits than its factorization.

4420245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4420245 is about 2102.4378706635. The cubic root of 4420245 is about 164.1151902417.

Adding to 4420245 its reverse (5420244), we get a palindrome (9840489).

Subtracting 4420245 from its reverse (5420244), we obtain a palindrome (999999).

The spelling of 4420245 in words is "four million, four hundred twenty thousand, two hundred forty-five".