203040222 has 64 divisors (see below), whose sum is σ = 516672000. Its totient is φ = 52731840.

The previous prime is 203040209. The next prime is 203040259. The reversal of 203040222 is 222040302.

203040222 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18154 + ... + 27122.

It is an arithmetic number, because the mean of its divisors is an integer number (8073000).

Almost surely, 2^203040222 is an apocalyptic number.

203040222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203040222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258336000).

203040222 is an abundant number, since it is smaller than the sum of its proper divisors (313631778).

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

203040222 is a wasteful number, since it uses less digits than its factorization.

203040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006 (or 8992 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 203040222 is about 14249.2182943486. The cubic root of 203040222 is about 587.7518794414.

Adding to 203040222 its reverse (222040302), we get a palindrome (425080524).

The spelling of 203040222 in words is "two hundred three million, forty thousand, two hundred twenty-two".