223885231 has 2 divisors, whose sum is σ = 223885232. Its totient is φ = 223885230.

The previous prime is 223885213. The next prime is 223885241. The reversal of 223885231 is 132588322.

Together with previous prime (223885213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223885231 - 2⁹ = 223884719 is a prime.

It is a super-2 number, since 2×223885231² = 100249193319846722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223885241) 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 as a sum of consecutive naturals, namely, 111942615 + 111942616.

It is an arithmetic number, because the mean of its divisors is an integer number (111942616).

Almost surely, 2^223885231 is an apocalyptic number.

223885231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223885231 is an equidigital number, since it uses as much as digits as its factorization.

223885231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 223885231 is about 14962.7948926663. The cubic root of 223885231 is about 607.2140545486.

The spelling of 223885231 in words is "two hundred twenty-three million, eight hundred eighty-five thousand, two hundred thirty-one".