224044420 has 12 divisors (see below), whose sum is σ = 470493324. Its totient is φ = 89617760.

The previous prime is 224044397. The next prime is 224044421. The reversal of 224044420 is 24440422.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 170929476 = 7288^2 + 13074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224044391 and 224044400.

It is not an unprimeable number, because it can be changed into a prime (224044421) 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 3 ways as a sum of consecutive naturals, for example, 5601091 + ... + 5601130.

It is an arithmetic number, because the mean of its divisors is an integer number (39207777).

Almost surely, 2^224044420 is an apocalyptic number.

224044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224044420 is an abundant number, since it is smaller than the sum of its proper divisors (246448904).

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

224044420 is a wasteful number, since it uses less digits than its factorization.

224044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202230 (or 11202228 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224044420 is about 14968.1134415797. The cubic root of 224044420 is about 607.3579361510.

Adding to 224044420 its reverse (24440422), we get a palindrome (248484842).

The spelling of 224044420 in words is "two hundred twenty-four million, forty-four thousand, four hundred twenty".