1206203222 has 16 divisors (see below), whose sum is σ = 2068278432. Its totient is φ = 516818880.

The previous prime is 1206203221. The next prime is 1206203267. The reversal of 1206203222 is 2223026021.

It is a junction number, because it is equal to n+sod(n) for n = 1206203194 and 1206203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206203221) 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, 71522 + ... + 86762.

It is an arithmetic number, because the mean of its divisors is an integer number (129267402).

Almost surely, 2^1206203222 is an apocalyptic number.

1206203222 is a deficient number, since it is larger than the sum of its proper divisors (862075210).

1206203222 is a wasteful number, since it uses less digits than its factorization.

1206203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1206203222 is about 34730.4365362718. The cubic root of 1206203222 is about 1064.4865083200.

Adding to 1206203222 its reverse (2223026021), we get a palindrome (3429229243).

The spelling of 1206203222 in words is "one billion, two hundred six million, two hundred three thousand, two hundred twenty-two".