194828225 has 12 divisors (see below), whose sum is σ = 241780656. Its totient is φ = 155737680.

The previous prime is 194828201. The next prime is 194828233. The reversal of 194828225 is 522828491.

It is a happy number.

It is not a de Polignac number, because 194828225 - 2¹⁰ = 194827201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40814 + ... + 45336.

It is an arithmetic number, because the mean of its divisors is an integer number (20148388).

Almost surely, 2^194828225 is an apocalyptic number.

It is an amenable number.

194828225 is a deficient number, since it is larger than the sum of its proper divisors (46952431).

194828225 is a wasteful number, since it uses less digits than its factorization.

194828225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6251 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 194828225 is about 13958.0881570507. The cubic root of 194828225 is about 579.7186754980.

The spelling of 194828225 in words is "one hundred ninety-four million, eight hundred twenty-eight thousand, two hundred twenty-five".