2194727 has 4 divisors (see below), whose sum is σ = 2202096. Its totient is φ = 2187360.

The previous prime is 2194723. The next prime is 2194739. The reversal of 2194727 is 7274912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2194727 - 2² = 2194723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2194693 and 2194702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194721) 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, 3218 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (550524).

2^2194727 is an apocalyptic number.

2194727 is a deficient number, since it is larger than the sum of its proper divisors (7369).

2194727 is an equidigital number, since it uses as much as digits as its factorization.

2194727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368.

The product of its digits is 7056, while the sum is 32.

The square root of 2194727 is about 1481.4611031006. The cubic root of 2194727 is about 129.9551521829.

The spelling of 2194727 in words is "two million, one hundred ninety-four thousand, seven hundred twenty-seven".