22202222222 has 8 divisors (see below), whose sum is σ = 33461169672. Its totient is φ = 11048499000.

The previous prime is 22202222213. The next prime is 22202222239. The reversal of 22202222222 is 22222220222.

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

22202222222 is a modest number, since divided by 222222 gives 22202 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22202222194 and 22202222203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26305529 + ... + 26306372.

It is an arithmetic number, because the mean of its divisors is an integer number (4182646209).

Almost surely, 2^22202222222 is an apocalyptic number.

22202222222 is a deficient number, since it is larger than the sum of its proper divisors (11258947450).

22202222222 is a wasteful number, since it uses less digits than its factorization.

22202222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52612114.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22202222222 its reverse (22222220222), we get a palindrome (44424442444).

The spelling of 22202222222 in words is "twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".