203440321222 has 16 divisors (see below), whose sum is σ = 307252465632. Its totient is φ = 101024089920.

The previous prime is 203440321199. The next prime is 203440321267. The reversal of 203440321222 is 222123044302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10447 + ... + 637957.

It is an arithmetic number, because the mean of its divisors is an integer number (19203279102).

Almost surely, 2^203440321222 is an apocalyptic number.

203440321222 is a deficient number, since it is larger than the sum of its proper divisors (103812144410).

203440321222 is a wasteful number, since it uses less digits than its factorization.

203440321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628623.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203440321222 its reverse (222123044302), we get a palindrome (425563365524).

The spelling of 203440321222 in words is "two hundred three billion, four hundred forty million, three hundred twenty-one thousand, two hundred twenty-two".