224444020 has 12 divisors (see below), whose sum is σ = 471332484. Its totient is φ = 89777600.

The previous prime is 224443997. The next prime is 224444039. The reversal of 224444020 is 20444422.

It can be written as a sum of positive squares in 2 ways, for example, as 175191696 + 49252324 = 13236^2 + 7018^2 .

It is a super-2 number, since 2×224444020² = 100750236227520800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224443982 and 224444000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611081 + ... + 5611120.

It is an arithmetic number, because the mean of its divisors is an integer number (39277707).

Almost surely, 2^224444020 is an apocalyptic number.

224444020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224444020 is an abundant number, since it is smaller than the sum of its proper divisors (246888464).

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

224444020 is a wasteful number, since it uses less digits than its factorization.

224444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222210 (or 11222208 counting only the distinct ones).

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

The square root of 224444020 is about 14981.4558705087. The cubic root of 224444020 is about 607.7188111399.

Adding to 224444020 its reverse (20444422), we get a palindrome (244888442).

It can be divided in two parts, 2244 and 44020, that added together give a palindrome (46264).

The spelling of 224444020 in words is "two hundred twenty-four million, four hundred forty-four thousand, twenty".