22005293 has 8 divisors (see below), whose sum is σ = 23842368. Its totient is φ = 20228544.

The previous prime is 22005271. The next prime is 22005311. The reversal of 22005293 is 39250022.

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 22005293 - 2⁸ = 22005037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005593) 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, 14321 + ... + 15782.

It is an arithmetic number, because the mean of its divisors is an integer number (2980296).

Almost surely, 2^22005293 is an apocalyptic number.

It is an amenable number.

22005293 is a deficient number, since it is larger than the sum of its proper divisors (1837075).

22005293 is a wasteful number, since it uses less digits than its factorization.

22005293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30163.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 22005293 is about 4690.9799615859. The cubic root of 22005293 is about 280.2264027700.

The spelling of 22005293 in words is "twenty-two million, five thousand, two hundred ninety-three".