2213704 has 32 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 1034176.

The previous prime is 2213699. The next prime is 2213711. The reversal of 2213704 is 4073122.

It is an Ulam number.

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, 9639 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (138510).

2^2213704 is an apocalyptic number.

It is an amenable number.

2213704 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2213704 is a wasteful number, since it uses less digits than its factorization.

2213704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2213704 is about 1487.8521431917. The cubic root of 2213704 is about 130.3286359740.

Adding to 2213704 its reverse (4073122), we get a palindrome (6286826).

The spelling of 2213704 in words is "two million, two hundred thirteen thousand, seven hundred four".