2194372 has 12 divisors (see below), whose sum is σ = 3972780. Its totient is φ = 1059296.

The previous prime is 2194369. The next prime is 2194391. The reversal of 2194372 is 2734912.

2194372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 715716 = 1216^2 + 846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2194372.

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, 9343 + ... + 9574.

It is an arithmetic number, because the mean of its divisors is an integer number (331065).

2^2194372 is an apocalyptic number.

It is an amenable number.

2194372 is a deficient number, since it is larger than the sum of its proper divisors (1778408).

2194372 is a wasteful number, since it uses less digits than its factorization.

2194372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950 (or 18948 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2194372 is about 1481.3412841071. The cubic root of 2194372 is about 129.9481449991.

The spelling of 2194372 in words is "two million, one hundred ninety-four thousand, three hundred seventy-two".