2195568 has 60 divisors (see below), whose sum is σ = 6254560. Its totient is φ = 718848.

The previous prime is 2195563. The next prime is 2195579. The reversal of 2195568 is 8655912.

It is a happy number.

2195568 is a `hidden beast` number, since 2 + 1 + 95 + 568 = 666.

2195568 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11280 + ... + 11472.

2^2195568 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 2195568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3127280).

2195568 is an abundant number, since it is smaller than the sum of its proper divisors (4058992).

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

2195568 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (2195567) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (286).

2195568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 277 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 2195568 is about 1481.7449173188. The cubic root of 2195568 is about 129.9717492853.

The spelling of 2195568 in words is "two million, one hundred ninety-five thousand, five hundred sixty-eight".