224490297 has 4 divisors (see below), whose sum is σ = 299320400. Its totient is φ = 149660196.

The previous prime is 224490241. The next prime is 224490317. The reversal of 224490297 is 792094422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 224490297 - 2¹² = 224486201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224490197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37415047 + ... + 37415052.

It is an arithmetic number, because the mean of its divisors is an integer number (74830100).

Almost surely, 2^224490297 is an apocalyptic number.

It is an amenable number.

224490297 is a deficient number, since it is larger than the sum of its proper divisors (74830103).

224490297 is an equidigital number, since it uses as much as digits as its factorization.

224490297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74830102.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 224490297 is about 14983.0002669692. Note that the first 3 decimals coincide. The cubic root of 224490297 is about 607.7605757795.

The spelling of 224490297 in words is "two hundred twenty-four million, four hundred ninety thousand, two hundred ninety-seven".