2224644 has 24 divisors (see below), whose sum is σ = 5251680. Its totient is φ = 732864.

The previous prime is 2224633. The next prime is 2224657. The reversal of 2224644 is 4464222.

2224644 = 112² + 113² + ... + 200².

2224644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 2¹⁸ + 4 + 6⁸ + 4⁴ + 4⁶ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (218820).

2^2224644 is an apocalyptic number.

It is an amenable number.

2224644 is an abundant number, since it is smaller than the sum of its proper divisors (3027036).

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

2224644 is a wasteful number, since it uses less digits than its factorization.

2224644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2177 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2224644 is about 1491.5240527729. The cubic root of 2224644 is about 130.5429755261.

Adding to 2224644 its reverse (4464222), we get a palindrome (6688866).

The spelling of 2224644 in words is "two million, two hundred twenty-four thousand, six hundred forty-four".