224240403 has 16 divisors (see below), whose sum is σ = 305474976. Its totient is φ = 146265600.

The previous prime is 224240377. The next prime is 224240407. The reversal of 224240403 is 304042422.

It is not a de Polignac number, because 224240403 - 2⁵ = 224240371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224240403.

It is not an unprimeable number, because it can be changed into a prime (224240407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62001 + ... + 65517.

It is an arithmetic number, because the mean of its divisors is an integer number (19092186).

Almost surely, 2^224240403 is an apocalyptic number.

224240403 is a deficient number, since it is larger than the sum of its proper divisors (81234573).

224240403 is a wasteful number, since it uses less digits than its factorization.

224240403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 224240403 is about 14974.6586939402. The cubic root of 224240403 is about 607.5349801193.

Adding to 224240403 its reverse (304042422), we get a palindrome (528282825).

The spelling of 224240403 in words is "two hundred twenty-four million, two hundred forty thousand, four hundred three".