223381668 has 24 divisors (see below), whose sum is σ = 522235168. Its totient is φ = 74316096.

The previous prime is 223381667. The next prime is 223381673. The reversal of 223381668 is 866183322.

It is not an unprimeable number, because it can be changed into a prime (223381661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11521 + ... + 24072.

Almost surely, 2^223381668 is an apocalyptic number.

It is an amenable number.

223381668 is an abundant number, since it is smaller than the sum of its proper divisors (298853500).

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

223381668 is a wasteful number, since it uses less digits than its factorization.

223381668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36123 (or 36121 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 223381668 is about 14945.9582496406. The cubic root of 223381668 is about 606.7584638828.

The spelling of 223381668 in words is "two hundred twenty-three million, three hundred eighty-one thousand, six hundred sixty-eight".