2192805 has 32 divisors (see below), whose sum is σ = 4012800. Its totient is φ = 1135296.

The previous prime is 2192791. The next prime is 2192821. The reversal of 2192805 is 5082912.

2192805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2192805 - 2⁴ = 2192789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (125400).

2^2192805 is an apocalyptic number.

It is an amenable number.

2192805 is a deficient number, since it is larger than the sum of its proper divisors (1819995).

2192805 is a wasteful number, since it uses less digits than its factorization.

2192805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2192805 is about 1480.8122770966. The cubic root of 2192805 is about 129.9172056638.

The spelling of 2192805 in words is "two million, one hundred ninety-two thousand, eight hundred five".