2223704 has 16 divisors (see below), whose sum is σ = 4765200. Its totient is φ = 952992.

The previous prime is 2223701. The next prime is 2223713. The reversal of 2223704 is 4073222.

It is a happy number.

2223704 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19799 + ... + 19910.

It is an arithmetic number, because the mean of its divisors is an integer number (297825).

2^2223704 is an apocalyptic number.

It is an amenable number.

2223704 is an abundant number, since it is smaller than the sum of its proper divisors (2541496).

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

2223704 is a wasteful number, since it uses less digits than its factorization.

2223704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39722 (or 39718 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2223704 is about 1491.2089055528. The cubic root of 2223704 is about 130.5245864139.

Adding to 2223704 its reverse (4073222), we get a palindrome (6296926).

The spelling of 2223704 in words is "two million, two hundred twenty-three thousand, seven hundred four".