2284666 has 4 divisors (see below), whose sum is σ = 3427002.
Its totient is φ = 1142332.
The previous prime is 2284663. The next prime is 2284673. The reversal of 2284666 is 6664822.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6664822 = 2 ⋅3332411.
It can be written as a sum of positive squares in only one way, i.e., 1274641 + 1010025 = 1129^2 + 1005^2
It is not an unprimeable number, because it can be changed into a prime (2284663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571165 + ... + 571168.
22284666 is an apocalyptic number.
2284666 is a deficient number, since it is larger than the sum of its proper divisors (1142336).
2284666 is a wasteful number, since it uses less digits than its factorization.
2284666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1142335.
The product of its digits is 27648, while the sum is 34.
The square root of 2284666 is about 1511.5111643650.
The cubic root of 2284666 is about 131.7066103952.
The spelling of 2284666 in words is "two million, two hundred eighty-four thousand, six hundred sixty-six".