22666123 has 2 divisors, whose sum is σ = 22666124. Its totient is φ = 22666122.

The previous prime is 22666121. The next prime is 22666141. The reversal of 22666123 is 32166622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22666123 - 2¹ = 22666121 is a prime.

It is a super-2 number, since 2×22666123² = 1027506263702258, which contains 22 as substring.

Together with 22666121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22666091 and 22666100.

It is not a weakly prime, because it can be changed into another prime (22666121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333061 + 11333062.

It is an arithmetic number, because the mean of its divisors is an integer number (11333062).

Almost surely, 2^22666123 is an apocalyptic number.

22666123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666123 is an equidigital number, since it uses as much as digits as its factorization.

22666123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 22666123 is about 4760.8951889324. The cubic root of 22666123 is about 283.0038956124.

The spelling of 22666123 in words is "twenty-two million, six hundred sixty-six thousand, one hundred twenty-three".