2195481 has 4 divisors (see below), whose sum is σ = 2927312. Its totient is φ = 1463652.

The previous prime is 2195471. The next prime is 2195521. The reversal of 2195481 is 1845912.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2195481 - 2¹⁰ = 2194457 is a prime.

It is a super-2 number, since 2×2195481² = 9640273642722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365911 + ... + 365916.

It is an arithmetic number, because the mean of its divisors is an integer number (731828).

2^2195481 is an apocalyptic number.

It is an amenable number.

2195481 is a deficient number, since it is larger than the sum of its proper divisors (731831).

2195481 is an equidigital number, since it uses as much as digits as its factorization.

2195481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731830.

The product of its digits is 2880, while the sum is 30.

The square root of 2195481 is about 1481.7155597482. The cubic root of 2195481 is about 129.9700325402.

The spelling of 2195481 in words is "two million, one hundred ninety-five thousand, four hundred eighty-one".