2195544 has 64 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 650880.

The previous prime is 2195527. The next prime is 2195563. The reversal of 2195544 is 4455912.

2195544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 9559 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^2195544 is an apocalyptic number.

2195544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2195544 is an abundant number, since it is smaller than the sum of its proper divisors (3933096).

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

2195544 is a wasteful number, since it uses less digits than its factorization.

2195544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 276 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 2195544 is about 1481.7368187367. The cubic root of 2195544 is about 129.9712757049.

The spelling of 2195544 in words is "two million, one hundred ninety-five thousand, five hundred forty-four".