22002202222 has 48 divisors (see below), whose sum is σ = 44647870176. Its totient is φ = 7912872000.

The previous prime is 22002202199. The next prime is 22002202253. The reversal of 22002202222 is 22220220022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002202196 and 22002202205.

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 23 ways as a sum of consecutive naturals, for example, 477529 + ... + 521572.

It is an arithmetic number, because the mean of its divisors is an integer number (930163962).

Almost surely, 2^22002202222 is an apocalyptic number.

22002202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22002202222 is an abundant number, since it is smaller than the sum of its proper divisors (22645667954).

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

22002202222 is a wasteful number, since it uses less digits than its factorization.

22002202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999145 (or 999134 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22002202222 its reverse (22220220022), we get a palindrome (44222422244).

The spelling of 22002202222 in words is "twenty-two billion, two million, two hundred two thousand, two hundred twenty-two".