11202222218 has 8 divisors (see below), whose sum is σ = 18330909120. Its totient is φ = 5091919180.

The previous prime is 11202222211. The next prime is 11202222221. The reversal of 11202222218 is 81222220211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11202222193 and 11202222202.

It is not an unprimeable number, because it can be changed into a prime (11202222211) 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, 254595938 + ... + 254595981.

It is an arithmetic number, because the mean of its divisors is an integer number (2291363640).

Almost surely, 2^11202222218 is an apocalyptic number.

11202222218 is a deficient number, since it is larger than the sum of its proper divisors (7128686902).

11202222218 is a wasteful number, since it uses less digits than its factorization.

11202222218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509191932.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 11202222218 its reverse (81222220211), we get a palindrome (92424442429).

The spelling of 11202222218 in words is "eleven billion, two hundred two million, two hundred twenty-two thousand, two hundred eighteen".