2205696 has 48 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 733184.

The previous prime is 2205667. The next prime is 2205703. The reversal of 2205696 is 6965022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5965 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^2205696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948400).

2205696 is an abundant number, since it is smaller than the sum of its proper divisors (3691104).

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

2205696 is an equidigital number, since it uses as much as digits as its factorization.

2205696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2205696 is about 1485.1585773917. The cubic root of 2205696 is about 130.1712929365.

The spelling of 2205696 in words is "two million, two hundred five thousand, six hundred ninety-six".