224631330 has 128 divisors (see below), whose sum is σ = 686776320. Its totient is φ = 45661440.

The previous prime is 224631313. The next prime is 224631359. The reversal of 224631330 is 33136422.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 224631330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107536 + ... + 109604.

It is an arithmetic number, because the mean of its divisors is an integer number (5365440).

Almost surely, 2^224631330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224631330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343388160).

224631330 is an abundant number, since it is smaller than the sum of its proper divisors (462144990).

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

224631330 is a wasteful number, since it uses less digits than its factorization.

224631330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 224631330 is about 14987.7059618876. The cubic root of 224631330 is about 607.8878215967.

Adding to 224631330 its reverse (33136422), we get a palindrome (257767752).

The spelling of 224631330 in words is "two hundred twenty-four million, six hundred thirty-one thousand, three hundred thirty".