22066693 has 8 divisors (see below), whose sum is σ = 24112800. Its totient is φ = 20027280.

The previous prime is 22066691. The next prime is 22066721. The reversal of 22066693 is 39666022.

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

It is a cyclic number.

It is not a de Polignac number, because 22066693 - 2¹ = 22066691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7383 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (3014100).

Almost surely, 2^22066693 is an apocalyptic number.

It is an amenable number.

22066693 is a deficient number, since it is larger than the sum of its proper divisors (2046107).

22066693 is a wasteful number, since it uses less digits than its factorization.

22066693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 22066693 is about 4697.5198775524. The cubic root of 22066693 is about 280.4867935017.

The spelling of 22066693 in words is "twenty-two million, sixty-six thousand, six hundred ninety-three".