2202656 has 24 divisors (see below), whose sum is σ = 4592700. Its totient is φ = 1036288.

The previous prime is 2202631. The next prime is 2202677. The reversal of 2202656 is 6562022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 400 = 1484^2 + 20^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481 + ... + 2568.

2^2202656 is an apocalyptic number.

It is an amenable number.

2202656 is an abundant number, since it is smaller than the sum of its proper divisors (2390044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2202656 is a wasteful number, since it uses less digits than its factorization.

2202656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2202656 is about 1484.1347647704. The cubic root of 2202656 is about 130.1114625896. Note that the first 3 decimals are identical.

Adding to 2202656 its reverse (6562022), we get a palindrome (8764678).

The spelling of 2202656 in words is "two million, two hundred two thousand, six hundred fifty-six".