223885213 has 2 divisors, whose sum is σ = 223885214. Its totient is φ = 223885212.

The previous prime is 223885183. The next prime is 223885231. The reversal of 223885213 is 312588322.

Together with next prime (223885231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203832729 + 20052484 = 14277^2 + 4478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223885213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223885253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111942606 + 111942607.

It is an arithmetic number, because the mean of its divisors is an integer number (111942607).

Almost surely, 2^223885213 is an apocalyptic number.

It is an amenable number.

223885213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223885213 is an equidigital number, since it uses as much as digits as its factorization.

223885213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 223885213 is about 14962.7942911744. The cubic root of 223885213 is about 607.2140382756.

The spelling of 223885213 in words is "two hundred twenty-three million, eight hundred eighty-five thousand, two hundred thirteen".