4423555 has 8 divisors (see below), whose sum is σ = 5331744. Its totient is φ = 3523200.

The previous prime is 4423543. The next prime is 4423579. The reversal of 4423555 is 5553244.

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

It is not a de Polignac number, because 4423555 - 2⁷ = 4423427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 631 + ... + 3040.

It is an arithmetic number, because the mean of its divisors is an integer number (666468).

Almost surely, 2^4423555 is an apocalyptic number.

4423555 is a deficient number, since it is larger than the sum of its proper divisors (908189).

4423555 is a wasteful number, since it uses less digits than its factorization.

4423555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its digits is 12000, while the sum is 28.

The square root of 4423555 is about 2103.2249047594. The cubic root of 4423555 is about 164.1561446642.

Adding to 4423555 its reverse (5553244), we get a palindrome (9976799).

The spelling of 4423555 in words is "four million, four hundred twenty-three thousand, five hundred fifty-five".