424322144 has 12 divisors (see below), whose sum is σ = 835384284. Its totient is φ = 212161056.

The previous prime is 424322071. The next prime is 424322149. The reversal of 424322144 is 441223424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424322149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630002 + ... + 6630065.

It is an arithmetic number, because the mean of its divisors is an integer number (69615357).

Almost surely, 2^424322144 is an apocalyptic number.

It is an amenable number.

424322144 is a deficient number, since it is larger than the sum of its proper divisors (411062140).

424322144 is a wasteful number, since it uses less digits than its factorization.

424322144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13260077 (or 13260069 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 424322144 is about 20599.0811445559. The cubic root of 424322144 is about 751.4473644588.

Adding to 424322144 its reverse (441223424), we get a palindrome (865545568).

The spelling of 424322144 in words is "four hundred twenty-four million, three hundred twenty-two thousand, one hundred forty-four".