203143222 has 8 divisors (see below), whose sum is σ = 317963376. Its totient is φ = 97155432.

The previous prime is 203143201. The next prime is 203143243. The reversal of 203143222 is 222341302.

203143222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203143201) and next prime (203143243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203143222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208033 + ... + 2208124.

It is an arithmetic number, because the mean of its divisors is an integer number (39745422).

Almost surely, 2^203143222 is an apocalyptic number.

203143222 is a deficient number, since it is larger than the sum of its proper divisors (114820154).

203143222 is a wasteful number, since it uses less digits than its factorization.

203143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416182.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203143222 is about 14252.8320694520. The cubic root of 203143222 is about 587.8512492592.

Adding to 203143222 its reverse (222341302), we get a palindrome (425484524).

The spelling of 203143222 in words is "two hundred three million, one hundred forty-three thousand, two hundred twenty-two".