223993344 has 40 divisors (see below), whose sum is σ = 596736360. Its totient is φ = 74663936.

The previous prime is 223993283. The next prime is 223993351. The reversal of 223993344 is 443399322.

It is a congruent number.

It is an unprimeable number.

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, 71379 + ... + 74450.

It is an arithmetic number, because the mean of its divisors is an integer number (14918409).

Almost surely, 2^223993344 is an apocalyptic number.

223993344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223993344 is an abundant number, since it is smaller than the sum of its proper divisors (372743016).

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

223993344 is an equidigital number, since it uses as much as digits as its factorization.

223993344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145850 (or 145834 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The square root of 223993344 is about 14966.4071840906. The cubic root of 223993344 is about 607.3117789774.

The spelling of 223993344 in words is "two hundred twenty-three million, nine hundred ninety-three thousand, three hundred forty-four".