1606228471 has 2 divisors, whose sum is σ = 1606228472. Its totient is φ = 1606228470.

The previous prime is 1606228457. The next prime is 1606228489. The reversal of 1606228471 is 1748226061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606228471 - 2⁵ = 1606228439 is a prime.

It is a super-3 number, since 3×1606228471³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1606228471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606228171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803114235 + 803114236.

It is an arithmetic number, because the mean of its divisors is an integer number (803114236).

Almost surely, 2^1606228471 is an apocalyptic number.

1606228471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606228471 is an equidigital number, since it uses as much as digits as its factorization.

1606228471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1606228471 is about 40077.7802653790. The cubic root of 1606228471 is about 1171.1228101683.

The spelling of 1606228471 in words is "one billion, six hundred six million, two hundred twenty-eight thousand, four hundred seventy-one".