11222204500 has 96 divisors (see below), whose sum is σ = 27009126144. Its totient is φ = 4047120000.

The previous prime is 11222204453. The next prime is 11222204503. The reversal of 11222204500 is 540222211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222204503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259425 + ... + 299575.

It is an arithmetic number, because the mean of its divisors is an integer number (281345064).

Almost surely, 2^11222204500 is an apocalyptic number.

11222204500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222204500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13504563072).

11222204500 is an abundant number, since it is smaller than the sum of its proper divisors (15786921644).

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

11222204500 is a wasteful number, since it uses less digits than its factorization.

11222204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40226 (or 40214 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 11222204500 its reverse (540222211), we get a palindrome (11762426711).

The spelling of 11222204500 in words is "eleven billion, two hundred twenty-two million, two hundred four thousand, five hundred".