223444120 has 16 divisors (see below), whose sum is σ = 502749360. Its totient is φ = 89377632.

The previous prime is 223444097. The next prime is 223444121. The reversal of 223444120 is 21444322.

It is a happy number.

223444120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223444091 and 223444100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793012 + ... + 2793091.

It is an arithmetic number, because the mean of its divisors is an integer number (31421835).

Almost surely, 2^223444120 is an apocalyptic number.

223444120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223444120 is an abundant number, since it is smaller than the sum of its proper divisors (279305240).

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

223444120 is a wasteful number, since it uses less digits than its factorization.

223444120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586114 (or 5586110 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223444120 is about 14948.0473641208. The cubic root of 223444120 is about 606.8150035102.

Adding to 223444120 its reverse (21444322), we get a palindrome (244888442).

The spelling of 223444120 in words is "two hundred twenty-three million, four hundred forty-four thousand, one hundred twenty".