2002256 has 10 divisors (see below), whose sum is σ = 3879402. Its totient is φ = 1001120.

The previous prime is 2002249. The next prime is 2002267. The reversal of 2002256 is 6522002.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 270400 = 1316^2 + 520^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62555 + ... + 62586.

2^2002256 is an apocalyptic number.

It is an amenable number.

2002256 is a deficient number, since it is larger than the sum of its proper divisors (1877146).

2002256 is a wasteful number, since it uses less digits than its factorization.

2002256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125149 (or 125143 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2002256 is about 1415.0109540212. The cubic root of 2002256 is about 126.0394602199.

Adding to 2002256 its reverse (6522002), we get a palindrome (8524258).

The spelling of 2002256 in words is "two million, two thousand, two hundred fifty-six".