2195549 has 4 divisors (see below), whose sum is σ = 2208864. Its totient is φ = 2182236.

The previous prime is 2195527. The next prime is 2195563. The reversal of 2195549 is 9455912.

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 a cyclic number.

It is not a de Polignac number, because 2195549 - 2¹⁶ = 2130013 is a prime.

It is a super-2 number, since 2×2195549² = 9640870822802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195579) 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, 6407 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (552216).

2^2195549 is an apocalyptic number.

It is an amenable number.

2195549 is a deficient number, since it is larger than the sum of its proper divisors (13315).

2195549 is a wasteful number, since it uses less digits than its factorization.

2195549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314.

The product of its digits is 16200, while the sum is 35.

The square root of 2195549 is about 1481.7385059450. The cubic root of 2195549 is about 129.9713743678.

It can be divided in two parts, 2195 and 549, that added together give a cube (2744 = 14³).

The spelling of 2195549 in words is "two million, one hundred ninety-five thousand, five hundred forty-nine".