12200722 has 8 divisors (see below), whose sum is σ = 18316476. Its totient is φ = 6095232.

The previous prime is 12200719. The next prime is 12200729. The reversal of 12200722 is 22700221.

It can be written as a sum of positive squares in 2 ways, for example, as 12047841 + 152881 = 3471^2 + 391^2 .

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 = 12200696 and 12200705.

It is not an unprimeable number, because it can be changed into a prime (12200729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118 + ... + 5374.

Almost surely, 2^12200722 is an apocalyptic number.

12200722 is a deficient number, since it is larger than the sum of its proper divisors (6115754).

12200722 is a wasteful number, since it uses less digits than its factorization.

12200722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12200722 is about 3492.9531917849. The cubic root of 12200722 is about 230.2122929635.

Adding to 12200722 its reverse (22700221), we get a palindrome (34900943).

The spelling of 12200722 in words is "twelve million, two hundred thousand, seven hundred twenty-two".