22066299 has 6 divisors (see below), whose sum is σ = 31873556. Its totient is φ = 14710860.

The previous prime is 22066259. The next prime is 22066321. The reversal of 22066299 is 99266022.

22066299 is a `hidden beast` number, since 2 + 20 + 6 + 629 + 9 = 666.

It is not a de Polignac number, because 22066299 - 2¹⁷ = 21935227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22066229) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1225897 + ... + 1225914.

Almost surely, 2^22066299 is an apocalyptic number.

22066299 is a deficient number, since it is larger than the sum of its proper divisors (9807257).

22066299 is a wasteful number, since it uses less digits than its factorization.

22066299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451817 (or 2451814 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 22066299 is about 4697.4779403420. The cubic root of 22066299 is about 280.4851241313.

The spelling of 22066299 in words is "twenty-two million, sixty-six thousand, two hundred ninety-nine".