22111222202 has 32 divisors (see below), whose sum is σ = 34923916800. Its totient is φ = 10483881408.

The previous prime is 22111222187. The next prime is 22111222213. The reversal of 22111222202 is 20222211122.

It is a happy number.

It is a super-2 number, since 2×22111222202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969943 + ... + 4974389.

It is an arithmetic number, because the mean of its divisors is an integer number (1091372400).

Almost surely, 2^22111222202 is an apocalyptic number.

22111222202 is a deficient number, since it is larger than the sum of its proper divisors (12812694598).

22111222202 is a wasteful number, since it uses less digits than its factorization.

22111222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22111222202 its reverse (20222211122), we get a palindrome (42333433324).

The spelling of 22111222202 in words is "twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred two".