22205123203 has 4 divisors (see below), whose sum is σ = 22205662480. Its totient is φ = 22204583928.

The previous prime is 22205123201. The next prime is 22205123219. The reversal of 22205123203 is 30232150222.

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 22205123203 - 2¹ = 22205123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22205123201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202263 + ... + 292096.

It is an arithmetic number, because the mean of its divisors is an integer number (5551415620).

Almost surely, 2^22205123203 is an apocalyptic number.

22205123203 is a deficient number, since it is larger than the sum of its proper divisors (539277).

22205123203 is an equidigital number, since it uses as much as digits as its factorization.

22205123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539276.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 22205123203 its reverse (30232150222), we get a palindrome (52437273425).

The spelling of 22205123203 in words is "twenty-two billion, two hundred five million, one hundred twenty-three thousand, two hundred three".