660227 has 2 divisors, whose sum is σ = 660228. Its totient is φ = 660226.

The previous prime is 660217. The next prime is 660241. The reversal of 660227 is 722066.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660227 is a prime.

It is not a weakly prime, because it can be changed into another prime (660217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330113 + 330114.

It is an arithmetic number, because the mean of its divisors is an integer number (330114).

2⁶⁶⁰²²⁷ is an apocalyptic number.

660227 is a deficient number, since it is larger than the sum of its proper divisors (1).

660227 is an equidigital number, since it uses as much as digits as its factorization.

660227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 660227 is about 812.5435372951. The cubic root of 660227 is about 87.0758575626.

The spelling of 660227 in words is "six hundred sixty thousand, two hundred twenty-seven".