224613220 has 24 divisors (see below), whose sum is σ = 507972024. Its totient is φ = 82934016.

The previous prime is 224613161. The next prime is 224613227. The reversal of 224613220 is 22316422.

224613220 is digitally balanced in base 2, 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 15116544 + 209496676 = 3888^2 + 14474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224613191 and 224613200.

It is not an unprimeable number, because it can be changed into a prime (224613227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431689 + ... + 432208.

It is an arithmetic number, because the mean of its divisors is an integer number (21165501).

Almost surely, 2^224613220 is an apocalyptic number.

224613220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224613220 is an abundant number, since it is smaller than the sum of its proper divisors (283358804).

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

224613220 is a wasteful number, since it uses less digits than its factorization.

224613220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863919 (or 863917 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 224613220 is about 14987.1017878708. The cubic root of 224613220 is about 607.8714849852.

Adding to 224613220 its reverse (22316422), we get a palindrome (246929642).

The spelling of 224613220 in words is "two hundred twenty-four million, six hundred thirteen thousand, two hundred twenty".