22222666622222 has 16 divisors (see below), whose sum is σ = 36548954248752. Its totient is φ = 10049936910720.

The previous prime is 22222666622173. The next prime is 22222666622287.

22222666622222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563755083 + ... + 2563763750.

It is an arithmetic number, because the mean of its divisors is an integer number (2284309640547).

Almost surely, 2^{22222666622222} is an apocalyptic number.

22222666622222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222666622222 is a deficient number, since it is larger than the sum of its proper divisors (14326287626530).

22222666622222 is a wasteful number, since it uses less digits than its factorization.

22222666622222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127519043.

The product of its digits is 1327104, while the sum is 44.

It can be divided in two parts, 2222266 and 6622222, that added together give a palindrome (8844488).

The spelling of 22222666622222 in words is "twenty-two trillion, two hundred twenty-two billion, six hundred sixty-six million, six hundred twenty-two thousand, two hundred twenty-two".