224133320 has 32 divisors (see below), whose sum is σ = 504792000. Its totient is φ = 89565888.

The previous prime is 224133311. The next prime is 224133323. The reversal of 224133320 is 23331422.

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 = 224133292 and 224133301.

It is not an unprimeable number, because it can be changed into a prime (224133323) 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, 52631 + ... + 56729.

It is an arithmetic number, because the mean of its divisors is an integer number (15774750).

Almost surely, 2^224133320 is an apocalyptic number.

224133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224133320 is an abundant number, since it is smaller than the sum of its proper divisors (280658680).

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

224133320 is a wasteful number, since it uses less digits than its factorization.

224133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 224133320 is about 14971.0827931716. The cubic root of 224133320 is about 607.4382579916.

Adding to 224133320 its reverse (23331422), we get a palindrome (247464742).

The spelling of 224133320 in words is "two hundred twenty-four million, one hundred thirty-three thousand, three hundred twenty".