2195256 has 64 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 615168.

The previous prime is 2195243. The next prime is 2195273. The reversal of 2195256 is 6525912.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 9⁵ + 5⁵ + 2²¹ + 5⁵ + 6² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12175 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (99900).

2^2195256 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 2195256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196800).

2195256 is an abundant number, since it is smaller than the sum of its proper divisors (4198344).

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

2195256 is a wasteful number, since it uses less digits than its factorization.

2195256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 2195256 is about 1481.6396322993. The cubic root of 2195256 is about 129.9655924720.

It can be divided in two parts, 21 and 95256, that multiplied together give a cube (2000376 = 126³).

The spelling of 2195256 in words is "two million, one hundred ninety-five thousand, two hundred fifty-six".