2210664 has 16 divisors (see below), whose sum is σ = 5526720. Its totient is φ = 736880.

The previous prime is 2210653. The next prime is 2210723. The reversal of 2210664 is 4660122.

It is a happy number.

2210664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2210664.

It is an unprimeable number.

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, 46032 + ... + 46079.

It is an arithmetic number, because the mean of its divisors is an integer number (345420).

2^2210664 is an apocalyptic number.

2210664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2210664 is an abundant number, since it is smaller than the sum of its proper divisors (3316056).

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

2210664 is a wasteful number, since it uses less digits than its factorization.

2210664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92120 (or 92116 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2210664 is about 1486.8301853272. The cubic root of 2210664 is about 130.2689501030.

Adding to 2210664 its reverse (4660122), we get a palindrome (6870786).

The spelling of 2210664 in words is "two million, two hundred ten thousand, six hundred sixty-four".