224244444420 has 288 divisors, whose sum is σ = 737486830080. Its totient is φ = 54960768000.

The previous prime is 224244444349. The next prime is 224244444427. The reversal of 224244444420 is 24444442422.

224244444420 is a `hidden beast` number, since 224 + 2 + 4 + 4 + 4 + 4 + 4 + 420 = 666.

224244444420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (224244444427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47197045 + ... + 47201795.

It is an arithmetic number, because the mean of its divisors is an integer number (2560718160).

Almost surely, 2^224244444420 is an apocalyptic number.

224244444420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224244444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368743415040).

224244444420 is an abundant number, since it is smaller than the sum of its proper divisors (513242385660).

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

224244444420 is a wasteful number, since it uses less digits than its factorization.

224244444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 224244444420 its reverse (24444442422), we get a palindrome (248688886842).

The spelling of 224244444420 in words is "two hundred twenty-four billion, two hundred forty-four million, four hundred forty-four thousand, four hundred twenty".