223778880 has 336 divisors, whose sum is σ = 854293440. Its totient is φ = 53415936.

The previous prime is 223778843. The next prime is 223778881. The reversal of 223778880 is 88877322.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (223778881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1609851 + ... + 1609989.

It is an arithmetic number, because the mean of its divisors is an integer number (2542540).

Almost surely, 2^223778880 is an apocalyptic number.

223778880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223778880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427146720).

223778880 is an abundant number, since it is smaller than the sum of its proper divisors (630514560).

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

223778880 is a wasteful number, since it uses less digits than its factorization.

223778880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 223778880 is about 14959.2406224380. The cubic root of 223778880 is about 607.1178921091.

The spelling of 223778880 in words is "two hundred twenty-three million, seven hundred seventy-eight thousand, eight hundred eighty".