203022228 has 96 divisors (see below), whose sum is σ = 517321728. Its totient is φ = 61734400.

The previous prime is 203022223. The next prime is 203022229. The reversal of 203022228 is 822220302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203022223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1549723 + ... + 1549853.

It is an arithmetic number, because the mean of its divisors is an integer number (5388768).

Almost surely, 2^203022228 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 203022228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258660864).

203022228 is an abundant number, since it is smaller than the sum of its proper divisors (314299500).

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

203022228 is a wasteful number, since it uses less digits than its factorization.

203022228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 203022228 is about 14248.5868773012. The cubic root of 203022228 is about 587.7345161826.

The spelling of 203022228 in words is "two hundred three million, twenty-two thousand, two hundred twenty-eight".