223007838 has 16 divisors (see below), whose sum is σ = 446236560. Its totient is φ = 74299136.

The previous prime is 223007801. The next prime is 223007879. The reversal of 223007838 is 838700322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223007799 and 223007808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (27889785).

Almost surely, 2^223007838 is an apocalyptic number.

223007838 is an abundant number, since it is smaller than the sum of its proper divisors (223228722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223007838 is a wasteful number, since it uses less digits than its factorization.

223007838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18411.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 223007838 is about 14933.4469564130. The cubic root of 223007838 is about 606.4198040950.

The spelling of 223007838 in words is "two hundred twenty-three million, seven thousand, eight hundred thirty-eight".