223618808 has 16 divisors (see below), whose sum is σ = 479183280. Its totient is φ = 95836608.

The previous prime is 223618777. The next prime is 223618817. The reversal of 223618808 is 808816322.

223618808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1996541 + ... + 1996652.

It is an arithmetic number, because the mean of its divisors is an integer number (29948955).

Almost surely, 2^223618808 is an apocalyptic number.

223618808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223618808 is an abundant number, since it is smaller than the sum of its proper divisors (255564472).

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

223618808 is a wasteful number, since it uses less digits than its factorization.

223618808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993206 (or 3993202 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 223618808 is about 14953.8893937330. The cubic root of 223618808 is about 606.9730977531.

The spelling of 223618808 in words is "two hundred twenty-three million, six hundred eighteen thousand, eight hundred eight".