2192742 has 24 divisors (see below), whose sum is σ = 4863144. Its totient is φ = 713664.

The previous prime is 2192741. The next prime is 2192747. The reversal of 2192742 is 2472912.

2192742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192741) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 643 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (202631).

2^2192742 is an apocalyptic number.

2192742 is an abundant number, since it is smaller than the sum of its proper divisors (2670402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2192742 is a wasteful number, since it uses less digits than its factorization.

2192742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2881 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2192742 is about 1480.7910048349. The cubic root of 2192742 is about 129.9159614641.

The spelling of 2192742 in words is "two million, one hundred ninety-two thousand, seven hundred forty-two".