223019808 has 48 divisors (see below), whose sum is σ = 638650656. Its totient is φ = 67581440.

The previous prime is 223019791. The next prime is 223019809. The reversal of 223019808 is 808910322.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (223019809) 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, 104541 + ... + 106652.

It is an arithmetic number, because the mean of its divisors is an integer number (13305222).

Almost surely, 2^223019808 is an apocalyptic number.

It is an amenable number.

223019808 is an abundant number, since it is smaller than the sum of its proper divisors (415630848).

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

223019808 is a wasteful number, since it uses less digits than its factorization.

223019808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211217 (or 211209 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 223019808 is about 14933.8477292358. The cubic root of 223019808 is about 606.4306538111.

The spelling of 223019808 in words is "two hundred twenty-three million, nineteen thousand, eight hundred eight".