22122122210 has 32 divisors (see below), whose sum is σ = 40497190272. Its totient is φ = 8699114880.

The previous prime is 22122122203. The next prime is 22122122251. The reversal of 22122122210 is 1222122122.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 174755 + ... + 273465.

It is an arithmetic number, because the mean of its divisors is an integer number (1265537196).

Almost surely, 2^22122122210 is an apocalyptic number.

22122122210 is a deficient number, since it is larger than the sum of its proper divisors (18375068062).

22122122210 is a wasteful number, since it uses less digits than its factorization.

22122122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99098.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122122210 its reverse (1222122122), we get a palindrome (23344244332).

The spelling of 22122122210 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".