2002263 has 4 divisors (see below), whose sum is σ = 2669688. Its totient is φ = 1334840.

The previous prime is 2002249. The next prime is 2002267. The reversal of 2002263 is 3622002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002263 - 2⁶ = 2002199 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002267) 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 in 3 ways as a sum of consecutive naturals, for example, 333708 + ... + 333713.

It is an arithmetic number, because the mean of its divisors is an integer number (667422).

2^2002263 is an apocalyptic number.

2002263 is a deficient number, since it is larger than the sum of its proper divisors (667425).

2002263 is an equidigital number, since it uses as much as digits as its factorization.

2002263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667424.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2002263 is about 1415.0134274981. The cubic root of 2002263 is about 126.0396071000.

Adding to 2002263 its reverse (3622002), we get a palindrome (5624265).

The spelling of 2002263 in words is "two million, two thousand, two hundred sixty-three".