22011002222 has 16 divisors (see below), whose sum is σ = 36608464944. Its totient is φ = 9840984000.

The previous prime is 22011002213. The next prime is 22011002269. The reversal of 22011002222 is 22220011022.

It is a super-4 number, since 4×22011002222⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011002197 and 22011002206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8199479 + ... + 8202162.

It is an arithmetic number, because the mean of its divisors is an integer number (2288029059).

Almost surely, 2^22011002222 is an apocalyptic number.

22011002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011002222 is a deficient number, since it is larger than the sum of its proper divisors (14597462722).

22011002222 is a wasteful number, since it uses less digits than its factorization.

22011002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401715.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22011002222 its reverse (22220011022), we get a palindrome (44231013244).

The spelling of 22011002222 in words is "twenty-two billion, eleven million, two thousand, two hundred twenty-two".