2195745 has 8 divisors (see below), whose sum is σ = 3513216. Its totient is φ = 1171056.

The previous prime is 2195731. The next prime is 2195749. The reversal of 2195745 is 5475912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2195745 - 2⁴ = 2195729 is a prime.

It is a super-2 number, since 2×2195745² = 9642592210050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2195749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73177 + ... + 73206.

It is an arithmetic number, because the mean of its divisors is an integer number (439152).

2^2195745 is an apocalyptic number.

It is an amenable number.

2195745 is a deficient number, since it is larger than the sum of its proper divisors (1317471).

2195745 is a wasteful number, since it uses less digits than its factorization.

2195745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146391.

The product of its digits is 12600, while the sum is 33.

The square root of 2195745 is about 1481.8046429945. The cubic root of 2195745 is about 129.9752418335.

The spelling of 2195745 in words is "two million, one hundred ninety-five thousand, seven hundred forty-five".