223398385 has 8 divisors (see below), whose sum is σ = 306374976. Its totient is φ = 153187440.

The previous prime is 223398347. The next prime is 223398389. The reversal of 223398385 is 583893322.

223398385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223398385 - 2¹⁵ = 223365617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223398389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191371 + ... + 3191440.

It is an arithmetic number, because the mean of its divisors is an integer number (38296872).

Almost surely, 2^223398385 is an apocalyptic number.

It is an amenable number.

223398385 is a deficient number, since it is larger than the sum of its proper divisors (82976591).

223398385 is an equidigital number, since it uses as much as digits as its factorization.

223398385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382823.

The product of its digits is 311040, while the sum is 43.

The square root of 223398385 is about 14946.5174873614. The cubic root of 223398385 is about 606.7735993060.

The spelling of 223398385 in words is "two hundred twenty-three million, three hundred ninety-eight thousand, three hundred eighty-five".