2209256 has 16 divisors (see below), whose sum is σ = 4734240. Its totient is φ = 946800.

The previous prime is 2209253. The next prime is 2209267. The reversal of 2209256 is 6529022.

2209256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2209253) by changing a digit.

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, 19670 + ... + 19781.

It is an arithmetic number, because the mean of its divisors is an integer number (295890).

2^2209256 is an apocalyptic number.

It is an amenable number.

2209256 is an abundant number, since it is smaller than the sum of its proper divisors (2524984).

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

2209256 is a wasteful number, since it uses less digits than its factorization.

2209256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39464 (or 39460 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2209256 is about 1486.3566193885. The cubic root of 2209256 is about 130.2412875793.

It can be divided in two parts, 2209 and 256, that multiplied together give a square (565504 = 752²).

The spelling of 2209256 in words is "two million, two hundred nine thousand, two hundred fifty-six".