223401400 has 48 divisors (see below), whose sum is σ = 521841600. Its totient is φ = 88942080.

The previous prime is 223401397. The next prime is 223401401. The reversal of 223401400 is 4104322.

223401400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223401401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42096 + ... + 47104.

It is an arithmetic number, because the mean of its divisors is an integer number (10871700).

Almost surely, 2^223401400 is an apocalyptic number.

223401400 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 223401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260920800).

223401400 is an abundant number, since it is smaller than the sum of its proper divisors (298440200).

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

223401400 is a wasteful number, since it uses less digits than its factorization.

223401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 223401400 is about 14946.6183466361. The cubic root of 223401400 is about 606.7763289798.

Adding to 223401400 its reverse (4104322), we get a palindrome (227505722).

The spelling of 223401400 in words is "two hundred twenty-three million, four hundred one thousand, four hundred".