224012420 has 24 divisors (see below), whose sum is σ = 472545024. Its totient is φ = 89201376.

The previous prime is 224012407. The next prime is 224012429. The reversal of 224012420 is 24210422.

It is a happy number.

224012420 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

224012420 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (224012429) 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 in 7 ways as a sum of consecutive naturals, for example, 20654 + ... + 29573.

It is an arithmetic number, because the mean of its divisors is an integer number (19689376).

Almost surely, 2^224012420 is an apocalyptic number.

224012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224012420 is an abundant number, since it is smaller than the sum of its proper divisors (248532604).

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

224012420 is a wasteful number, since it uses less digits than its factorization.

224012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50459 (or 50457 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 224012420 is about 14967.0444644225. The cubic root of 224012420 is about 607.3290187019.

Adding to 224012420 its reverse (24210422), we get a palindrome (248222842).

The spelling of 224012420 in words is "two hundred twenty-four million, twelve thousand, four hundred twenty".