224245689 has 4 divisors (see below), whose sum is σ = 298994256. Its totient is φ = 149497124.

The previous prime is 224245673. The next prime is 224245727. The reversal of 224245689 is 986542422.

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 a cyclic number.

It is not a de Polignac number, because 224245689 - 2⁴ = 224245673 is a prime.

It is a super-2 number, since 2×224245689² = 100572258070169442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224245689.

It is not an unprimeable number, because it can be changed into a prime (224245639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37374279 + ... + 37374284.

It is an arithmetic number, because the mean of its divisors is an integer number (74748564).

Almost surely, 2^224245689 is an apocalyptic number.

It is an amenable number.

224245689 is a deficient number, since it is larger than the sum of its proper divisors (74748567).

224245689 is an equidigital number, since it uses as much as digits as its factorization.

224245689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74748566.

The product of its digits is 276480, while the sum is 42.

The square root of 224245689 is about 14974.8351910797. The cubic root of 224245689 is about 607.5397538719.

The spelling of 224245689 in words is "two hundred twenty-four million, two hundred forty-five thousand, six hundred eighty-nine".