4420555 has 4 divisors (see below), whose sum is σ = 5304672. Its totient is φ = 3536440.

The previous prime is 4420553. The next prime is 4420567. The reversal of 4420555 is 5550244.

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

It is not a de Polignac number, because 4420555 - 2¹ = 4420553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442051 + ... + 442060.

It is an arithmetic number, because the mean of its divisors is an integer number (1326168).

Almost surely, 2^4420555 is an apocalyptic number.

4420555 is a deficient number, since it is larger than the sum of its proper divisors (884117).

4420555 is an equidigital number, since it uses as much as digits as its factorization.

4420555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884116.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4420555 is about 2102.5115933093. The cubic root of 4420555 is about 164.1190267199.

Adding to 4420555 its reverse (5550244), we get a palindrome (9970799).

The spelling of 4420555 in words is "four million, four hundred twenty thousand, five hundred fifty-five".