22206306 has 16 divisors (see below), whose sum is σ = 44574048. Its totient is φ = 7375200.

The previous prime is 22206299. The next prime is 22206313. The reversal of 22206306 is 60360222.

It is an interprime number because it is at equal distance from previous prime (22206299) and next prime (22206313).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4900 + ... + 8271.

It is an arithmetic number, because the mean of its divisors is an integer number (2785878).

Almost surely, 2^22206306 is an apocalyptic number.

22206306 is an abundant number, since it is smaller than the sum of its proper divisors (22367742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22206306 is a wasteful number, since it uses less digits than its factorization.

22206306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13457.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22206306 is about 4712.3567352228. The cubic root of 22206306 is about 281.0770844275.

Adding to 22206306 its reverse (60360222), we get a palindrome (82566528).

The spelling of 22206306 in words is "twenty-two million, two hundred six thousand, three hundred six".