6690227 has 2 divisors, whose sum is σ = 6690228. Its totient is φ = 6690226.

The previous prime is 6690221. The next prime is 6690239. The reversal of 6690227 is 7220966.

6690227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6690227 - 2⁸ = 6689971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6690193 and 6690202.

It is not a weakly prime, because it can be changed into another prime (6690221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345113 + 3345114.

It is an arithmetic number, because the mean of its divisors is an integer number (3345114).

Almost surely, 2^6690227 is an apocalyptic number.

6690227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6690227 is an equidigital number, since it uses as much as digits as its factorization.

6690227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6690227 is about 2586.5473125385. The cubic root of 6690227 is about 188.4286563335.

The spelling of 6690227 in words is "six million, six hundred ninety thousand, two hundred twenty-seven".