22222244222222 has 96 divisors (see below), whose sum is σ = 37505929135392. Its totient is φ = 9791020800000.

The previous prime is 22222244222221. The next prime is 22222244222237.

22222244222222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222244222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2244439472 + ... + 2244449372.

It is an arithmetic number, because the mean of its divisors is an integer number (390686761827).

Almost surely, 2^{22222244222222} is an apocalyptic number.

22222244222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222244222222 is a deficient number, since it is larger than the sum of its proper divisors (15283684913170).

22222244222222 is a wasteful number, since it uses less digits than its factorization.

22222244222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10225 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

It can be divided in two parts, 2222224 and 4222222, that added together give a palindrome (6444446).

The spelling of 22222244222222 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-two".