223245213 has 4 divisors (see below), whose sum is σ = 297660288. Its totient is φ = 148830140.

The previous prime is 223245157. The next prime is 223245221. The reversal of 223245213 is 312542322.

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 223245213 - 2⁶ = 223245149 is a prime.

It is a super-3 number, since 3×223245213³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223245283) 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, 37207533 + ... + 37207538.

It is an arithmetic number, because the mean of its divisors is an integer number (74415072).

Almost surely, 2^223245213 is an apocalyptic number.

It is an amenable number.

223245213 is a deficient number, since it is larger than the sum of its proper divisors (74415075).

223245213 is an equidigital number, since it uses as much as digits as its factorization.

223245213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74415074.

The product of its digits is 2880, while the sum is 24.

The square root of 223245213 is about 14941.3926057781. The cubic root of 223245213 is about 606.6348904917.

Adding to 223245213 its reverse (312542322), we get a palindrome (535787535).

The spelling of 223245213 in words is "two hundred twenty-three million, two hundred forty-five thousand, two hundred thirteen".