203222256 has 80 divisors (see below), whose sum is σ = 551452800. Its totient is φ = 64399104.

The previous prime is 203222249. The next prime is 203222269. The reversal of 203222256 is 652222302.

203222256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92175 + ... + 94353.

It is an arithmetic number, because the mean of its divisors is an integer number (6893160).

Almost surely, 2^203222256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203222256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275726400).

203222256 is an abundant number, since it is smaller than the sum of its proper divisors (348230544).

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

203222256 is a wasteful number, since it uses less digits than its factorization.

203222256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 203222256 is about 14255.6043716147. The cubic root of 203222256 is about 587.9274749737.

Adding to 203222256 its reverse (652222302), we get a palindrome (855444558).

It can be divided in two parts, 20322 and 2256, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 203222256 in words is "two hundred three million, two hundred twenty-two thousand, two hundred fifty-six".