1066289227 has 2 divisors, whose sum is σ = 1066289228. Its totient is φ = 1066289226.

The previous prime is 1066289209. The next prime is 1066289233. The reversal of 1066289227 is 7229826601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066289227 - 2⁷ = 1066289099 is a prime.

It is a super-2 number, since 2×1066289227² = 2273945431232515058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066289267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533144613 + 533144614.

It is an arithmetic number, because the mean of its divisors is an integer number (533144614).

Almost surely, 2^1066289227 is an apocalyptic number.

1066289227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066289227 is an equidigital number, since it uses as much as digits as its factorization.

1066289227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1066289227 is about 32654.0843846524. The cubic root of 1066289227 is about 1021.6253808169.

The spelling of 1066289227 in words is "one billion, sixty-six million, two hundred eighty-nine thousand, two hundred twenty-seven".