1222000222 has 16 divisors (see below), whose sum is σ = 2003432832. Its totient is φ = 556508160.

The previous prime is 1222000211. The next prime is 1222000229. The reversal of 1222000222 is 2220002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 578643 + ... + 580750.

It is an arithmetic number, because the mean of its divisors is an integer number (125214552).

Almost surely, 2^1222000222 is an apocalyptic number.

1222000222 is a deficient number, since it is larger than the sum of its proper divisors (781432610).

1222000222 is a wasteful number, since it uses less digits than its factorization.

1222000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159443.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1222000222 is about 34957.1197612160. The cubic root of 1222000222 is about 1069.1133721394.

Adding to 1222000222 its reverse (2220002221), we get a palindrome (3442002443).

The spelling of 1222000222 in words is "one billion, two hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.