22232206 has 8 divisors (see below), whose sum is σ = 33692400. Its totient is φ = 11001408.

The previous prime is 22232201. The next prime is 22232219. The reversal of 22232206 is 60223222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57106 + ... + 57493.

It is an arithmetic number, because the mean of its divisors is an integer number (4211550).

Almost surely, 2^22232206 is an apocalyptic number.

22232206 is a deficient number, since it is larger than the sum of its proper divisors (11460194).

22232206 is a wasteful number, since it uses less digits than its factorization.

22232206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114698.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22232206 is about 4715.1040285449. The cubic root of 22232206 is about 281.1863186851.

Adding to 22232206 its reverse (60223222), we get a palindrome (82455428).

The spelling of 22232206 in words is "twenty-two million, two hundred thirty-two thousand, two hundred six".