224104520 has 16 divisors (see below), whose sum is σ = 504235260. Its totient is φ = 89641792.

The previous prime is 224104499. The next prime is 224104541. The reversal of 224104520 is 25401422.

It is a happy number.

224104520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (224104499) and next prime (224104541).

It can be written as a sum of positive squares in 2 ways, for example, as 217208644 + 6895876 = 14738^2 + 2626^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 224104492 and 224104501.

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, 2801267 + ... + 2801346.

Almost surely, 2^224104520 is an apocalyptic number.

224104520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224104520 is an abundant number, since it is smaller than the sum of its proper divisors (280130740).

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

224104520 is a wasteful number, since it uses less digits than its factorization.

224104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602624 (or 5602620 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 224104520 is about 14970.1209079954. The cubic root of 224104520 is about 607.4122392940.

Adding to 224104520 its reverse (25401422), we get a palindrome (249505942).

The spelling of 224104520 in words is "two hundred twenty-four million, one hundred four thousand, five hundred twenty".