22210000222222 has 4 divisors (see below), whose sum is σ = 33315000333336. Its totient is φ = 11105000111110.

The previous prime is 22210000222187. The next prime is 22210000222243. The reversal of 22210000222222 is 22222200001222.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22210000222222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22210000222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552500055554 + ... + 5552500055557.

It is an arithmetic number, because the mean of its divisors is an integer number (8328750083334).

Almost surely, 2^{22210000222222} is an apocalyptic number.

22210000222222 is a deficient number, since it is larger than the sum of its proper divisors (11105000111114).

22210000222222 is a wasteful number, since it uses less digits than its factorization.

22210000222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105000111113.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22210000222222 its reverse (22222200001222), we get a palindrome (44432200223444).

The spelling of 22210000222222 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty-two thousand, two hundred twenty-two".