194225 has 12 divisors (see below), whose sum is σ = 255564. Its totient is φ = 145920.

The previous prime is 194203. The next prime is 194239. The reversal of 194225 is 522491.

It can be written as a sum of positive squares in 6 ways, for example, as 8464 + 185761 = 92^2 + 431^2 .

It is not a de Polignac number, because 194225 - 2¹⁰ = 193201 is a prime.

It is a d-powerful number, because it can be written as 1 + 9⁵ + 2 + 4⁶ + 2¹⁷ + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194225.

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 11 ways as a sum of consecutive naturals, for example, 197 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (21297).

2¹⁹⁴²²⁵ is an apocalyptic number.

It is an amenable number.

194225 is a deficient number, since it is larger than the sum of its proper divisors (61339).

194225 is a wasteful number, since it uses less digits than its factorization.

194225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 194225 is about 440.7096549884. The cubic root of 194225 is about 57.9119750756.

The spelling of 194225 in words is "one hundred ninety-four thousand, two hundred twenty-five".