22066017 has 24 divisors (see below), whose sum is σ = 32301312. Its totient is φ = 13382400.

The previous prime is 22066007. The next prime is 22066021. The reversal of 22066017 is 71066022.

It is a happy number.

It is not a de Polignac number, because 22066017 - 2⁴ = 22066001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22066007) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 26467 + ... + 27287.

It is an arithmetic number, because the mean of its divisors is an integer number (1345888).

Almost surely, 2^22066017 is an apocalyptic number.

It is an amenable number.

22066017 is a deficient number, since it is larger than the sum of its proper divisors (10235295).

22066017 is a wasteful number, since it uses less digits than its factorization.

22066017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22066017 is about 4697.4479241392. The cubic root of 22066017 is about 280.4839292905.

The spelling of 22066017 in words is "twenty-two million, sixty-six thousand, seventeen".