224345020 has 12 divisors (see below), whose sum is σ = 471124584. Its totient is φ = 89738000.

The previous prime is 224345003. The next prime is 224345029. The reversal of 224345020 is 20543422.

It is a junction number, because it is equal to n+sod(n) for n = 224344982 and 224345000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224345029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608606 + ... + 5608645.

It is an arithmetic number, because the mean of its divisors is an integer number (39260382).

Almost surely, 2^224345020 is an apocalyptic number.

224345020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224345020 is an abundant number, since it is smaller than the sum of its proper divisors (246779564).

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

224345020 is a wasteful number, since it uses less digits than its factorization.

224345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217260 (or 11217258 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 224345020 is about 14978.1514213203. The cubic root of 224345020 is about 607.6294451139.

Adding to 224345020 its reverse (20543422), we get a palindrome (244888442).

The spelling of 224345020 in words is "two hundred twenty-four million, three hundred forty-five thousand, twenty".