22222122122 has 16 divisors (see below), whose sum is σ = 33390772800. Its totient is φ = 11091880800.

The previous prime is 22222122121. The next prime is 22222122133. The reversal of 22222122122 is 22122122222.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22222122094 and 22222122103.

It is not an unprimeable number, because it can be changed into a prime (22222122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5287622 + ... + 5291822.

It is an arithmetic number, because the mean of its divisors is an integer number (2086923300).

Almost surely, 2^22222122122 is an apocalyptic number.

22222122122 is a deficient number, since it is larger than the sum of its proper divisors (11168650678).

22222122122 is a wasteful number, since it uses less digits than its factorization.

22222122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141.

The product of its digits is 512, while the sum is 20.

Adding to 22222122122 its reverse (22122122222), we get a palindrome (44344244344).

The spelling of 22222122122 in words is "twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".