22066266 has 16 divisors (see below), whose sum is σ = 44179488. Its totient is φ = 7347600.

The previous prime is 22066259. The next prime is 22066321. The reversal of 22066266 is 66266022.

It is a Curzon 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, 8256 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (2761218).

Almost surely, 2^22066266 is an apocalyptic number.

22066266 is an abundant number, since it is smaller than the sum of its proper divisors (22113222).

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

22066266 is a wasteful number, since it uses less digits than its factorization.

22066266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 22066266 is about 4697.4744278176. The cubic root of 22066266 is about 280.4849843100.

The spelling of 22066266 in words is "twenty-two million, sixty-six thousand, two hundred sixty-six".