22239206 has 16 divisors (see below), whose sum is σ = 37974528. Its totient is φ = 9669000.

The previous prime is 22239199. The next prime is 22239209. The reversal of 22239206 is 60293222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22239209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21470 + ... + 22481.

It is an arithmetic number, because the mean of its divisors is an integer number (2373408).

Almost surely, 2^22239206 is an apocalyptic number.

22239206 is a deficient number, since it is larger than the sum of its proper divisors (15735322).

22239206 is a wasteful number, since it uses less digits than its factorization.

22239206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43987.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22239206 is about 4715.8462655180. The cubic root of 22239206 is about 281.2158268933.

The spelling of 22239206 in words is "twenty-two million, two hundred thirty-nine thousand, two hundred six".