2194225 has 24 divisors (see below), whose sum is σ = 3035520. Its totient is φ = 1560000.

The previous prime is 2194201. The next prime is 2194229. The reversal of 2194225 is 5224912.

2194225 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 2194225 - 2⁵ = 2194193 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2194225.

It is not an unprimeable number, because it can be changed into a prime (2194229) 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 23 ways as a sum of consecutive naturals, for example, 21675 + ... + 21775.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2^2194225 is an apocalyptic number.

2194225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2194225 is a deficient number, since it is larger than the sum of its proper divisors (841295).

2194225 is a wasteful number, since it uses less digits than its factorization.

2194225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

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

The square root of 2194225 is about 1481.2916660807. The cubic root of 2194225 is about 129.9452432115.

It can be divided in two parts, 219 and 4225, that added together give a palindrome (4444).

The spelling of 2194225 in words is "two million, one hundred ninety-four thousand, two hundred twenty-five".