1200322222 has 8 divisors (see below), whose sum is σ = 1964163672. Its totient is φ = 545601000.

The previous prime is 1200322187. The next prime is 1200322223. The reversal of 1200322222 is 2222230021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1200322196 and 1200322205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200322223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27280029 + ... + 27280072.

It is an arithmetic number, because the mean of its divisors is an integer number (245520459).

Almost surely, 2^1200322222 is an apocalyptic number.

1200322222 is a deficient number, since it is larger than the sum of its proper divisors (763841450).

1200322222 is a wasteful number, since it uses less digits than its factorization.

1200322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54560114.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1200322222 is about 34645.6667131692. Note that the first 3 decimals coincide. The cubic root of 1200322222 is about 1062.7536751065.

Adding to 1200322222 its reverse (2222230021), we get a palindrome (3422552243).

It can be divided in two parts, 12003 and 22222, that added together give a square (34225 = 185²).

The spelling of 1200322222 in words is "one billion, two hundred million, three hundred twenty-two thousand, two hundred twenty-two".