424244220 has 192 divisors, whose sum is σ = 1287014400. Its totient is φ = 104232960.

The previous prime is 424244213. The next prime is 424244281. The reversal of 424244220 is 22442424.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5370141 + ... + 5370219.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^424244220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424244220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643507200).

424244220 is an abundant number, since it is smaller than the sum of its proper divisors (862770180).

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

424244220 is a wasteful number, since it uses less digits than its factorization.

424244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 424244220 is about 20597.1896141197. The cubic root of 424244220 is about 751.4013621702.

Adding to 424244220 its reverse (22442424), we get a palindrome (446686644).

The spelling of 424244220 in words is "four hundred twenty-four million, two hundred forty-four thousand, two hundred twenty".