2194522 has 16 divisors (see below), whose sum is σ = 3748032. Its totient is φ = 953920.

The previous prime is 2194501. The next prime is 2194529. The reversal of 2194522 is 2254912.

2194522 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 (2194529) 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 7 ways as a sum of consecutive naturals, for example, 1663 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (234252).

2^2194522 is an apocalyptic number.

2194522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2194522 is a deficient number, since it is larger than the sum of its proper divisors (1553510).

2194522 is a wasteful number, since it uses less digits than its factorization.

2194522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373.

The product of its digits is 1440, while the sum is 25.

The square root of 2194522 is about 1481.3919130331. The cubic root of 2194522 is about 129.9511058732.

The spelling of 2194522 in words is "two million, one hundred ninety-four thousand, five hundred twenty-two".