224144020 has 24 divisors (see below), whose sum is σ = 471273768. Its totient is φ = 89548800.

The previous prime is 224144017. The next prime is 224144021. The reversal of 224144020 is 20441422.

224144020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27751824 + 196392196 = 5268^2 + 14014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11260 + ... + 23980.

It is an arithmetic number, because the mean of its divisors is an integer number (19636407).

Almost surely, 2^224144020 is an apocalyptic number.

224144020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224144020 is an abundant number, since it is smaller than the sum of its proper divisors (247129748).

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

224144020 is a wasteful number, since it uses less digits than its factorization.

224144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611 (or 13609 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 224144020 is about 14971.4401444884. The cubic root of 224144020 is about 607.4479240926.

Adding to 224144020 its reverse (20441422), we get a palindrome (244585442).

The spelling of 224144020 in words is "two hundred twenty-four million, one hundred forty-four thousand, twenty".