22066206 has 8 divisors (see below), whose sum is σ = 44132424. Its totient is φ = 7355400.

The previous prime is 22066189. The next prime is 22066229. The reversal of 22066206 is 60266022.

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

22066206 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1838845 + ... + 1838856.

It is an arithmetic number, because the mean of its divisors is an integer number (5516553).

Almost surely, 2^22066206 is an apocalyptic number.

22066206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22066206 is a wasteful number, since it uses less digits than its factorization.

22066206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677706.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22066206 is about 4697.4680414027. The cubic root of 22066206 is about 280.4847300892.

The spelling of 22066206 in words is "twenty-two million, sixty-six thousand, two hundred six".