224245215331 has 4 divisors (see below), whose sum is σ = 227921366464. Its totient is φ = 220569064200.

The previous prime is 224245215283. The next prime is 224245215343. The reversal of 224245215331 is 133512542422.

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

It is a cyclic number.

It is not a de Polignac number, because 224245215331 - 2⁹ = 224245214819 is a prime.

It is a super-2 number, since 2×224245215331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224245215631) 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, 1838075475 + ... + 1838075596.

It is an arithmetic number, because the mean of its divisors is an integer number (56980341616).

Almost surely, 2^224245215331 is an apocalyptic number.

224245215331 is a deficient number, since it is larger than the sum of its proper divisors (3676151133).

224245215331 is an equidigital number, since it uses as much as digits as its factorization.

224245215331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676151132.

The product of its digits is 57600, while the sum is 34.

Adding to 224245215331 its reverse (133512542422), we get a palindrome (357757757753).

The spelling of 224245215331 in words is "two hundred twenty-four billion, two hundred forty-five million, two hundred fifteen thousand, three hundred thirty-one".