1100212222 has 32 divisors (see below), whose sum is σ = 1828915200. Its totient is φ = 493730688.

The previous prime is 1100212193. The next prime is 1100212229. The reversal of 1100212222 is 2222120011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212229) by changing a digit.

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, 278779 + ... + 282697.

It is an arithmetic number, because the mean of its divisors is an integer number (57153600).

Almost surely, 2^1100212222 is an apocalyptic number.

1100212222 is a deficient number, since it is larger than the sum of its proper divisors (728702978).

1100212222 is a wasteful number, since it uses less digits than its factorization.

1100212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

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

The square root of 1100212222 is about 33169.4471162846. The cubic root of 1100212222 is about 1032.3464968090.

Adding to 1100212222 its reverse (2222120011), we get a palindrome (3322332233).

The spelling of 1100212222 in words is "one billion, one hundred million, two hundred twelve thousand, two hundred twenty-two".