223225213 has 2 divisors, whose sum is σ = 223225214. Its totient is φ = 223225212.

The previous prime is 223225201. The next prime is 223225229. The reversal of 223225213 is 312522322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172843609 + 50381604 = 13147^2 + 7098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223225213 is a prime.

It is a super-3 number, since 3×223225213³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223225253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111612606 + 111612607.

It is an arithmetic number, because the mean of its divisors is an integer number (111612607).

Almost surely, 2^223225213 is an apocalyptic number.

It is an amenable number.

223225213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223225213 is an equidigital number, since it uses as much as digits as its factorization.

223225213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 223225213 is about 14940.7233091307. The cubic root of 223225213 is about 606.6167742987.

Adding to 223225213 its reverse (312522322), we get a palindrome (535747535).

The spelling of 223225213 in words is "two hundred twenty-three million, two hundred twenty-five thousand, two hundred thirteen".