224440444220 has 12 divisors (see below), whose sum is σ = 471324932904. Its totient is φ = 89776177680.

The previous prime is 224440444219. The next prime is 224440444229. The reversal of 224440444220 is 22444044422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224440444229) 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 3 ways as a sum of consecutive naturals, for example, 5611011086 + ... + 5611011125.

It is an arithmetic number, because the mean of its divisors is an integer number (39277077742).

Almost surely, 2^224440444220 is an apocalyptic number.

224440444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224440444220 is an abundant number, since it is smaller than the sum of its proper divisors (246884488684).

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

224440444220 is a wasteful number, since it uses less digits than its factorization.

224440444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222022220 (or 11222022218 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 224440444220 its reverse (22444044422), we get a palindrome (246884488642).

The spelling of 224440444220 in words is "two hundred twenty-four billion, four hundred forty million, four hundred forty-four thousand, two hundred twenty".