4420505 has 8 divisors (see below), whose sum is σ = 5322624. Its totient is φ = 3524400.

The previous prime is 4420469. The next prime is 4420513. The reversal of 4420505 is 5050244.

It is a happy number.

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

It is not a de Polignac number, because 4420505 - 2⁸ = 4420249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (665328).

Almost surely, 2^4420505 is an apocalyptic number.

It is an amenable number.

4420505 is a deficient number, since it is larger than the sum of its proper divisors (902119).

4420505 is a wasteful number, since it uses less digits than its factorization.

4420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4420505 is about 2102.4997027348. The cubic root of 4420505 is about 164.1184079452.

Adding to 4420505 its reverse (5050244), we get a palindrome (9470749).

The spelling of 4420505 in words is "four million, four hundred twenty thousand, five hundred five".