22766143 has 2 divisors, whose sum is σ = 22766144. Its totient is φ = 22766142.

The previous prime is 22766129. The next prime is 22766209. The reversal of 22766143 is 34166722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22766143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22766543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11383071 + 11383072.

It is an arithmetic number, because the mean of its divisors is an integer number (11383072).

Almost surely, 2^22766143 is an apocalyptic number.

22766143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22766143 is an equidigital number, since it uses as much as digits as its factorization.

22766143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 22766143 is about 4771.3879532061. The cubic root of 22766143 is about 283.4195602226.

The spelling of 22766143 in words is "twenty-two million, seven hundred sixty-six thousand, one hundred forty-three".