2206560 has 48 divisors (see below), whose sum is σ = 6952176. Its totient is φ = 588288.

The previous prime is 2206559. The next prime is 2206591. The reversal of 2206560 is 656022.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (144837).

2^2206560 is an apocalyptic number.

2206560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206560 is an abundant number, since it is smaller than the sum of its proper divisors (4745616).

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

2206560 is a wasteful number, since it uses less digits than its factorization.

2206560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2206560 is about 1485.4494269412. The cubic root of 2206560 is about 130.1882873176.

The spelling of 2206560 in words is "two million, two hundred six thousand, five hundred sixty".