22666027 has 2 divisors, whose sum is σ = 22666028. Its totient is φ = 22666026.

The previous prime is 22666019. The next prime is 22666037. The reversal of 22666027 is 72066622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22666027 - 2³ = 22666019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22666027.

It is not a weakly prime, because it can be changed into another prime (22666037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333013 + 11333014.

It is an arithmetic number, because the mean of its divisors is an integer number (11333014).

Almost surely, 2^22666027 is an apocalyptic number.

22666027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666027 is an equidigital number, since it uses as much as digits as its factorization.

22666027 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22666027 is about 4760.8851067842. The cubic root of 22666027 is about 283.0034960674.

The spelling of 22666027 in words is "twenty-two million, six hundred sixty-six thousand, twenty-seven".