223441400 has 96 divisors (see below), whose sum is σ = 639438240. Its totient is φ = 70709760.

The previous prime is 223441367. The next prime is 223441411. The reversal of 223441400 is 4144322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12062 + ... + 24338.

It is an arithmetic number, because the mean of its divisors is an integer number (6660815).

Almost surely, 2^223441400 is an apocalyptic number.

223441400 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 223441400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319719120).

223441400 is an abundant number, since it is smaller than the sum of its proper divisors (415996840).

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

223441400 is a wasteful number, since it uses less digits than its factorization.

223441400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313 (or 12304 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 223441400 is about 14947.9563820611. The cubic root of 223441400 is about 606.8125412338.

Adding to 223441400 its reverse (4144322), we get a palindrome (227585722).

It can be divided in two parts, 2234 and 41400, that added together give a palindrome (43634).

The spelling of 223441400 in words is "two hundred twenty-three million, four hundred forty-one thousand, four hundred".