223442438 has 8 divisors (see below), whose sum is σ = 335376288. Its totient is φ = 111650344.

The previous prime is 223442437. The next prime is 223442449. The reversal of 223442438 is 834244322.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31406 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (41922036).

Almost surely, 2^223442438 is an apocalyptic number.

223442438 is a deficient number, since it is larger than the sum of its proper divisors (111933850).

223442438 is a wasteful number, since it uses less digits than its factorization.

223442438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70878.

The product of its digits is 36864, while the sum is 32.

The square root of 223442438 is about 14947.9911024860. The cubic root of 223442438 is about 606.8134808843.

The spelling of 223442438 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred thirty-eight".