224720563 has 4 divisors (see below), whose sum is σ = 224974800. Its totient is φ = 224466328.

The previous prime is 224720533. The next prime is 224720567. The reversal of 224720563 is 365027422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224720563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224720567) 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 3 ways as a sum of consecutive naturals, for example, 125788 + ... + 127561.

It is an arithmetic number, because the mean of its divisors is an integer number (56243700).

Almost surely, 2^224720563 is an apocalyptic number.

224720563 is a deficient number, since it is larger than the sum of its proper divisors (254237).

224720563 is an equidigital number, since it uses as much as digits as its factorization.

224720563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254236.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 224720563 is about 14990.6825394977. The cubic root of 224720563 is about 607.9683037998.

Adding to 224720563 its reverse (365027422), we get a palindrome (589747985).

The spelling of 224720563 in words is "two hundred twenty-four million, seven hundred twenty thousand, five hundred sixty-three".