22220021110 has 32 divisors (see below), whose sum is σ = 46288373760. Its totient is φ = 7521856992.

The previous prime is 22220021081. The next prime is 22220021137. The reversal of 22220021110 is 1112002222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2003514 + ... + 2014573.

It is an arithmetic number, because the mean of its divisors is an integer number (1446511680).

Almost surely, 2^22220021110 is an apocalyptic number.

22220021110 is an abundant number, since it is smaller than the sum of its proper divisors (24068352650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220021110 is a wasteful number, since it uses less digits than its factorization.

22220021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018180.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22220021110 its reverse (1112002222), we get a palindrome (23332023332).

The spelling of 22220021110 in words is "twenty-two billion, two hundred twenty million, twenty-one thousand, one hundred ten".