22011230202 has 64 divisors (see below), whose sum is σ = 49151854080. Its totient is φ = 6524711424.

The previous prime is 22011230183. The next prime is 22011230237. The reversal of 22011230202 is 20203211022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1036798 + ... + 1057814.

It is an arithmetic number, because the mean of its divisors is an integer number (767997720).

Almost surely, 2^22011230202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22011230202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24575927040).

22011230202 is an abundant number, since it is smaller than the sum of its proper divisors (27140623878).

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

22011230202 is a wasteful number, since it uses less digits than its factorization.

22011230202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22011230202 its reverse (20203211022), we get a palindrome (42214441224).

The spelling of 22011230202 in words is "twenty-two billion, eleven million, two hundred thirty thousand, two hundred two".