2201256 has 80 divisors (see below), whose sum is σ = 6388800. Its totient is φ = 707616.

The previous prime is 2201209. The next prime is 2201273. The reversal of 2201256 is 6521022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27825 + ... + 27903.

It is an arithmetic number, because the mean of its divisors is an integer number (79860).

2^2201256 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 2201256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194400).

2201256 is an abundant number, since it is smaller than the sum of its proper divisors (4187544).

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

2201256 is a wasteful number, since it uses less digits than its factorization.

2201256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2201256 is about 1483.6630345196. The cubic root of 2201256 is about 130.0838906259.

Adding to 2201256 its reverse (6521022), we get a palindrome (8722278).

The spelling of 2201256 in words is "two million, two hundred one thousand, two hundred fifty-six".