4423144 has 16 divisors (see below), whose sum is σ = 9047520. Its totient is φ = 2010480.

The previous prime is 4423127. The next prime is 4423157. The reversal of 4423144 is 4413244.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 3 ways as a sum of consecutive naturals, for example, 25044 + ... + 25219.

It is an arithmetic number, because the mean of its divisors is an integer number (565470).

Almost surely, 2^4423144 is an apocalyptic number.

4423144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4423144 is an abundant number, since it is smaller than the sum of its proper divisors (4624376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423144 is a wasteful number, since it uses less digits than its factorization.

4423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50280 (or 50276 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 4423144 is about 2103.1271953926. The cubic root of 4423144 is about 164.1510604981.

Adding to 4423144 its reverse (4413244), we get a palindrome (8836388).

The spelling of 4423144 in words is "four million, four hundred twenty-three thousand, one hundred forty-four".