2205750 has 64 divisors (see below), whose sum is σ = 5863104. Its totient is φ = 550400.

The previous prime is 2205719. The next prime is 2205761. The reversal of 2205750 is 575022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12664 + ... + 12836.

It is an arithmetic number, because the mean of its divisors is an integer number (91611).

2^2205750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931552).

2205750 is an abundant number, since it is smaller than the sum of its proper divisors (3657354).

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

2205750 is a wasteful number, since it uses less digits than its factorization.

2205750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2205750 is about 1485.1767571572. The cubic root of 2205750 is about 130.1723552153.

The spelling of 2205750 in words is "two million, two hundred five thousand, seven hundred fifty".