224320330 has 16 divisors (see below), whose sum is σ = 434836584. Its totient is φ = 82825920.

The previous prime is 224320319. The next prime is 224320337. The reversal of 224320330 is 33023422.

It can be written as a sum of positive squares in 4 ways, for example, as 165199609 + 59120721 = 12853^2 + 7689^2 .

It is a super-2 number, since 2×224320330² = 100639220902617800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224320298 and 224320307.

It is not an unprimeable number, because it can be changed into a prime (224320337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862641 + ... + 862900.

Almost surely, 2^224320330 is an apocalyptic number.

224320330 is a deficient number, since it is larger than the sum of its proper divisors (210516254).

224320330 is a wasteful number, since it uses less digits than its factorization.

224320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725561.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 224320330 is about 14977.3271981352. The cubic root of 224320330 is about 607.6071536728.

Adding to 224320330 its reverse (33023422), we get a palindrome (257343752).

The spelling of 224320330 in words is "two hundred twenty-four million, three hundred twenty thousand, three hundred thirty".