22231203203 has 4 divisors (see below), whose sum is σ = 24252221688. Its totient is φ = 20210184720.

The previous prime is 22231203199. The next prime is 22231203209. The reversal of 22231203203 is 30230213222.

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

It is not a de Polignac number, because 22231203203 - 2² = 22231203199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010509226 + ... + 1010509247.

It is an arithmetic number, because the mean of its divisors is an integer number (6063055422).

Almost surely, 2^22231203203 is an apocalyptic number.

22231203203 is a deficient number, since it is larger than the sum of its proper divisors (2021018485).

22231203203 is a wasteful number, since it uses less digits than its factorization.

22231203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021018484.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22231203203 its reverse (30230213222), we get a palindrome (52461416425).

The spelling of 22231203203 in words is "twenty-two billion, two hundred thirty-one million, two hundred three thousand, two hundred three".