22203122202 has 24 divisors (see below), whose sum is σ = 49014441684. Its totient is φ = 7261398144.

The previous prime is 22203122173. The next prime is 22203122203. The reversal of 22203122202 is 20222130222.

It can be written as a sum of positive squares in 2 ways, for example, as 18471256281 + 3731865921 = 135909^2 + 61089^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22203122203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11635903 + ... + 11637810.

Almost surely, 2^22203122202 is an apocalyptic number.

22203122202 is an abundant number, since it is smaller than the sum of its proper divisors (26811319482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22203122202 is a wasteful number, since it uses less digits than its factorization.

22203122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23273774 (or 23273771 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22203122202 its reverse (20222130222), we get a palindrome (42425252424).

The spelling of 22203122202 in words is "twenty-two billion, two hundred three million, one hundred twenty-two thousand, two hundred two".