2224656 has 60 divisors (see below), whose sum is σ = 7118592. Its totient is φ = 635328.

The previous prime is 2224633. The next prime is 2224657. The reversal of 2224656 is 6564222.

2224656 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 656 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96 + ... + 2111.

2^2224656 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 2224656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3559296).

2224656 is an abundant number, since it is smaller than the sum of its proper divisors (4893936).

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

2224656 is a wasteful number, since it uses less digits than its factorization.

2224656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2219 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2224656 is about 1491.5280754984. The cubic root of 2224656 is about 130.5432102473.

Adding to 2224656 its reverse (6564222), we get a palindrome (8788878).

The spelling of 2224656 in words is "two million, two hundred twenty-four thousand, six hundred fifty-six".