2246656 has 24 divisors (see below), whose sum is σ = 4496310. Its totient is φ = 1122304.

The previous prime is 2246641. The next prime is 2246683. The reversal of 2246656 is 6566422.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 173056 = 1440^2 + 416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500 + ... + 2596.

2^2246656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248155).

2246656 is an abundant number, since it is smaller than the sum of its proper divisors (2249654).

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

2246656 is an equidigital number, since it uses as much as digits as its factorization.

2246656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1099 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2246656 is about 1498.8849188647. The cubic root of 2246656 is about 130.9721207887.

It can be divided in two parts, 22466 and 56, that added together give a palindrome (22522).

The spelling of 2246656 in words is "two million, two hundred forty-six thousand, six hundred fifty-six".