223994814 has 8 divisors (see below), whose sum is σ = 447989640. Its totient is φ = 74664936.

The previous prime is 223994807. The next prime is 223994833. The reversal of 223994814 is 418499322.

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

223994814 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18666229 + ... + 18666240.

It is an arithmetic number, because the mean of its divisors is an integer number (55998705).

Almost surely, 2^223994814 is an apocalyptic number.

223994814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223994814 is a wasteful number, since it uses less digits than its factorization.

223994814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37332474.

The product of its digits is 124416, while the sum is 42.

The square root of 223994814 is about 14966.4562939929. The cubic root of 223994814 is about 607.3131075085.

The spelling of 223994814 in words is "two hundred twenty-three million, nine hundred ninety-four thousand, eight hundred fourteen".