22663143 has 12 divisors (see below), whose sum is σ = 34458840. Its totient is φ = 14313456.

The previous prime is 22663127. The next prime is 22663153. The reversal of 22663143 is 34136622.

22663143 is a `hidden beast` number, since 2 + 26 + 631 + 4 + 3 = 666.

It is not a de Polignac number, because 22663143 - 2⁴ = 22663127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22663153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66096 + ... + 66437.

It is an arithmetic number, because the mean of its divisors is an integer number (2871570).

Almost surely, 2^22663143 is an apocalyptic number.

22663143 is a deficient number, since it is larger than the sum of its proper divisors (11795697).

22663143 is a wasteful number, since it uses less digits than its factorization.

22663143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132558 (or 132555 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 22663143 is about 4760.5822122929. The cubic root of 22663143 is about 282.9914925419.

Adding to 22663143 its reverse (34136622), we get a palindrome (56799765).

The spelling of 22663143 in words is "twenty-two million, six hundred sixty-three thousand, one hundred forty-three".