22140203 has 4 divisors (see below), whose sum is σ = 22336248. Its totient is φ = 21944160.

The previous prime is 22140199. The next prime is 22140221. The reversal of 22140203 is 30204122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22140203 - 2² = 22140199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 97853 + ... + 98078.

It is an arithmetic number, because the mean of its divisors is an integer number (5584062).

Almost surely, 2^22140203 is an apocalyptic number.

22140203 is a deficient number, since it is larger than the sum of its proper divisors (196045).

22140203 is a wasteful number, since it uses less digits than its factorization.

22140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196044.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22140203 is about 4705.3377137034. The cubic root of 22140203 is about 280.7979068940.

Adding to 22140203 its reverse (30204122), we get a palindrome (52344325).

The spelling of 22140203 in words is "twenty-two million, one hundred forty thousand, two hundred three".