22566143 has 8 divisors (see below), whose sum is σ = 23276160. Its totient is φ = 21867160.

The previous prime is 22566133. The next prime is 22566149. The reversal of 22566143 is 34166522.

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 22566143 - 2⁶ = 22566079 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 (22566149) 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, 1496 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (2909520).

Almost surely, 2^22566143 is an apocalyptic number.

22566143 is a deficient number, since it is larger than the sum of its proper divisors (710017).

22566143 is an equidigital number, since it uses as much as digits as its factorization.

22566143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its digits is 8640, while the sum is 29.

The square root of 22566143 is about 4750.3834582063. The cubic root of 22566143 is about 282.5871733480.

The spelling of 22566143 in words is "twenty-two million, five hundred sixty-six thousand, one hundred forty-three".