223730438 has 16 divisors (see below), whose sum is σ = 355627584. Its totient is φ = 105198720.

The previous prime is 223730417. The next prime is 223730477. The reversal of 223730438 is 834037322.

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, 61856 + ... + 65372.

It is an arithmetic number, because the mean of its divisors is an integer number (22226724).

Almost surely, 2^223730438 is an apocalyptic number.

223730438 is a deficient number, since it is larger than the sum of its proper divisors (131897146).

223730438 is a wasteful number, since it uses less digits than its factorization.

223730438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 223730438 is about 14957.6214018139. The cubic root of 223730438 is about 607.0740808144.

The spelling of 223730438 in words is "two hundred twenty-three million, seven hundred thirty thousand, four hundred thirty-eight".