2212221110 has 32 divisors (see below), whose sum is σ = 4572633600. Its totient is φ = 762104160.

The previous prime is 2212221073. The next prime is 2212221131. The reversal of 2212221110 is 111222122.

It is a Curzon number.

It is a congruent 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, 527150 + ... + 531329.

It is an arithmetic number, because the mean of its divisors is an integer number (142894800).

Almost surely, 2^2212221110 is an apocalyptic number.

2212221110 is an abundant number, since it is smaller than the sum of its proper divisors (2360412490).

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

2212221110 is a wasteful number, since it uses less digits than its factorization.

2212221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058516.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2212221110 is about 47034.2546448862. The cubic root of 2212221110 is about 1302.9952846901.

Adding to 2212221110 its reverse (111222122), we get a palindrome (2323443232).

It can be divided in two parts, 2212 and 221110, that added together give a palindrome (223322).

The spelling of 2212221110 in words is "two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ten".