223468891 has 4 divisors (see below), whose sum is σ = 225772792. Its totient is φ = 221164992.

The previous prime is 223468873. The next prime is 223468907. The reversal of 223468891 is 198864322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198864322 = 2 ⋅99432161.

It is a cyclic number.

It is not a de Polignac number, because 223468891 - 2⁹ = 223468379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223468831) 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, 1151805 + ... + 1151998.

It is an arithmetic number, because the mean of its divisors is an integer number (56443198).

Almost surely, 2^223468891 is an apocalyptic number.

223468891 is a deficient number, since it is larger than the sum of its proper divisors (2303901).

223468891 is an equidigital number, since it uses as much as digits as its factorization.

223468891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303900.

The product of its digits is 165888, while the sum is 43.

The square root of 223468891 is about 14948.8759109172. The cubic root of 223468891 is about 606.8374265050.

The spelling of 223468891 in words is "two hundred twenty-three million, four hundred sixty-eight thousand, eight hundred ninety-one".