22196806 has 16 divisors (see below), whose sum is σ = 34652160. Its totient is φ = 10652040.

The previous prime is 22196791. The next prime is 22196819. The reversal of 22196806 is 60869122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (2165760).

Almost surely, 2^22196806 is an apocalyptic number.

22196806 is a deficient number, since it is larger than the sum of its proper divisors (12455354).

22196806 is a wasteful number, since it uses less digits than its factorization.

22196806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22196806 is about 4711.3486391903. The cubic root of 22196806 is about 281.0369965177.

It can be divided in two parts, 2219 and 6806, that added together give a square (9025 = 95²).

The spelling of 22196806 in words is "twenty-two million, one hundred ninety-six thousand, eight hundred six".