2194912 has 24 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 1085952.

The previous prime is 2194903. The next prime is 2194931.

It is a happy number.

2194912 is nontrivially palindromic in base 10.

2194912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 3313 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

2^2194912 is an apocalyptic number.

It is an amenable number.

2194912 is a deficient number, since it is larger than the sum of its proper divisors (2171744).

2194912 is a wasteful number, since it uses less digits than its factorization.

2194912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 722 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 2194912 is about 1481.5235401437. The cubic root of 2194912 is about 129.9588035144.

The spelling of 2194912 in words is "two million, one hundred ninety-four thousand, nine hundred twelve".