2286147 has 4 divisors (see below), whose sum is σ = 3048200. Its totient is φ = 1524096.

The previous prime is 2286139. The next prime is 2286149. The reversal of 2286147 is 7416822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2286147 - 2³ = 2286139 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2286149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381022 + ... + 381027.

It is an arithmetic number, because the mean of its divisors is an integer number (762050).

2^2286147 is an apocalyptic number.

2286147 is a deficient number, since it is larger than the sum of its proper divisors (762053).

2286147 is an equidigital number, since it uses as much as digits as its factorization.

2286147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762052.

The product of its digits is 5376, while the sum is 30.

The square root of 2286147 is about 1512.0009920632. Note that the first 3 decimals coincide. The cubic root of 2286147 is about 131.7350631840.

The spelling of 2286147 in words is "two million, two hundred eighty-six thousand, one hundred forty-seven".