2285147 has 2 divisors, whose sum is σ = 2285148. Its totient is φ = 2285146.

The previous prime is 2285141. The next prime is 2285159. The reversal of 2285147 is 7415822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2285147 - 2⁴ = 2285131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2285141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142573 + 1142574.

It is an arithmetic number, because the mean of its divisors is an integer number (1142574).

2^2285147 is an apocalyptic number.

2285147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285147 is an equidigital number, since it uses as much as digits as its factorization.

2285147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 2285147 is about 1511.6702682794. The cubic root of 2285147 is about 131.7158526556.

The spelling of 2285147 in words is "two million, two hundred eighty-five thousand, one hundred forty-seven".