223889999 has 8 divisors (see below), whose sum is σ = 228864000. Its totient is φ = 218924856.

The previous prime is 223889989. The next prime is 223890001. The reversal of 223889999 is 999988322.

It is a happy number.

223889999 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 a cyclic number.

It is not a de Polignac number, because 223889999 - 2²⁴ = 207112783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223889989) 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, 92762 + ... + 95144.

It is an arithmetic number, because the mean of its divisors is an integer number (28608000).

Almost surely, 2^223889999 is an apocalyptic number.

223889999 is a deficient number, since it is larger than the sum of its proper divisors (4974001).

223889999 is a wasteful number, since it uses less digits than its factorization.

223889999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its digits is 5038848, while the sum is 59.

The square root of 223889999 is about 14962.9542203403. The cubic root of 223889999 is about 607.2183650549.

The spelling of 223889999 in words is "two hundred twenty-three million, eight hundred eighty-nine thousand, nine hundred ninety-nine".