424144220 has 48 divisors (see below), whose sum is σ = 992748960. Its totient is φ = 151271424.

The previous prime is 424144207. The next prime is 424144229. The reversal of 424144220 is 22441424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424144229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26369 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (20682270).

Almost surely, 2^424144220 is an apocalyptic number.

It is an amenable number.

424144220 is an abundant number, since it is smaller than the sum of its proper divisors (568604740).

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

424144220 is a wasteful number, since it uses less digits than its factorization.

424144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65702 (or 65700 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 424144220 is about 20594.7619554099. The cubic root of 424144220 is about 751.3423191023.

Adding to 424144220 its reverse (22441424), we get a palindrome (446585644).

The spelling of 424144220 in words is "four hundred twenty-four million, one hundred forty-four thousand, two hundred twenty".