22066671 has 8 divisors (see below), whose sum is σ = 32097024. Its totient is φ = 13373720.

The previous prime is 22066661. The next prime is 22066679. The reversal of 22066671 is 17666022.

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 22066671 - 2¹⁵ = 22033903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066679) 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, 334311 + ... + 334376.

It is an arithmetic number, because the mean of its divisors is an integer number (4012128).

Almost surely, 2^22066671 is an apocalyptic number.

22066671 is a deficient number, since it is larger than the sum of its proper divisors (10030353).

22066671 is a wasteful number, since it uses less digits than its factorization.

22066671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668701.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 22066671 is about 4697.5175358906. The cubic root of 22066671 is about 280.4867002886.

The spelling of 22066671 in words is "twenty-two million, sixty-six thousand, six hundred seventy-one".