1222102222 has 32 divisors (see below), whose sum is σ = 2138469984. Its totient is φ = 517632000.

The previous prime is 1222102201. The next prime is 1222102261. The reversal of 1222102222 is 2222012221.

It is a junction number, because it is equal to n+sod(n) for n = 1222102196 and 1222102205.

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, 21598 + ... + 53950.

It is an arithmetic number, because the mean of its divisors is an integer number (66827187).

Almost surely, 2^1222102222 is an apocalyptic number.

1222102222 is a deficient number, since it is larger than the sum of its proper divisors (916367762).

1222102222 is a wasteful number, since it uses less digits than its factorization.

1222102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1222102222 is about 34958.5786610383. The cubic root of 1222102222 is about 1069.1431175050.

Adding to 1222102222 its reverse (2222012221), we get a palindrome (3444114443).

Subtracting 1222102222 from its reverse (2222012221), we obtain a palindrome (999909999).

The spelling of 1222102222 in words is "one billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".