203222030 has 16 divisors (see below), whose sum is σ = 399054384. Its totient is φ = 73898880.

The previous prime is 203222023. The next prime is 203222057. The reversal of 203222030 is 30222302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203221996 and 203222014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923627 + ... + 923846.

It is an arithmetic number, because the mean of its divisors is an integer number (24940899).

Almost surely, 2^203222030 is an apocalyptic number.

203222030 is a deficient number, since it is larger than the sum of its proper divisors (195832354).

203222030 is a wasteful number, since it uses less digits than its factorization.

203222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847491.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 203222030 is about 14255.5964449054. The cubic root of 203222030 is about 587.9272570323.

Adding to 203222030 its reverse (30222302), we get a palindrome (233444332).

The spelling of 203222030 in words is "two hundred three million, two hundred twenty-two thousand, thirty".