4420445 has 24 divisors (see below), whose sum is σ = 5852160. Its totient is φ = 3201120.

The previous prime is 4420421. The next prime is 4420453. The reversal of 4420445 is 5440244.

It is not a de Polignac number, because 4420445 - 2⁸ = 4420189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4420445.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 55916 + ... + 55994.

It is an arithmetic number, because the mean of its divisors is an integer number (243840).

Almost surely, 2^4420445 is an apocalyptic number.

It is an amenable number.

4420445 is a deficient number, since it is larger than the sum of its proper divisors (1431715).

4420445 is a wasteful number, since it uses less digits than its factorization.

4420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 134 counting only the distinct ones).

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

The square root of 4420445 is about 2102.4854339567. The cubic root of 4420445 is about 164.1176654095.

Adding to 4420445 its reverse (5440244), we get a palindrome (9860689).

The spelling of 4420445 in words is "four million, four hundred twenty thousand, four hundred forty-five".