223994880 has 132 divisors (see below), whose sum is σ = 776296092. Its totient is φ = 59719680.

The previous prime is 223994843. The next prime is 223994899. The reversal of 223994880 is 88499322.

It can be written as a sum of positive squares in 2 ways, for example, as 150994944 + 72999936 = 12288^2 + 8544^2 .

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43650 + ... + 48510.

It is an arithmetic number, because the mean of its divisors is an integer number (5881031).

Almost surely, 2^223994880 is an apocalyptic number.

223994880 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 223994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388148046).

223994880 is an abundant number, since it is smaller than the sum of its proper divisors (552301212).

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

223994880 is a wasteful number, since it uses less digits than its factorization.

223994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 223994880 is about 14966.4584989235. The cubic root of 223994880 is about 607.3131671567.

The spelling of 223994880 in words is "two hundred twenty-three million, nine hundred ninety-four thousand, eight hundred eighty".