2204624 has 20 divisors (see below), whose sum is σ = 4297344. Its totient is φ = 1095648.

The previous prime is 2204623. The next prime is 2204647. The reversal of 2204624 is 4264022.

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 0 + 4² + 6⁸ + 2¹⁹ + 4³ .

It is a junction number, because it is equal to n+sod(n) for n = 2204596 and 2204605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329 + ... + 3935.

2^2204624 is an apocalyptic number.

It is an amenable number.

2204624 is a deficient number, since it is larger than the sum of its proper divisors (2092720).

2204624 is a wasteful number, since it uses less digits than its factorization.

2204624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2204624 is about 1484.7976293085. The cubic root of 2204624 is about 130.1502011452.

Adding to 2204624 its reverse (4264022), we get a palindrome (6468646).

The spelling of 2204624 in words is "two million, two hundred four thousand, six hundred twenty-four".