22201220202 has 16 divisors (see below), whose sum is σ = 50745646272. Its totient is φ = 6343205760.

The previous prime is 22201220179. The next prime is 22201220207. The reversal of 22201220202 is 20202210222.

It is not an unprimeable number, because it can be changed into a prime (22201220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264300199 + ... + 264300282.

It is an arithmetic number, because the mean of its divisors is an integer number (3171602892).

Almost surely, 2^22201220202 is an apocalyptic number.

22201220202 is an abundant number, since it is smaller than the sum of its proper divisors (28544426070).

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

22201220202 is a wasteful number, since it uses less digits than its factorization.

22201220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528600493.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22201220202 its reverse (20202210222), we get a palindrome (42403430424).

The spelling of 22201220202 in words is "twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred two".