194522425 has 12 divisors (see below), whose sum is σ = 246341376. Its totient is φ = 152306000.

The previous prime is 194522423. The next prime is 194522441. The reversal of 194522425 is 524225491.

It is a happy number.

194522425 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 194522425 - 2¹ = 194522423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194522423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81601 + ... + 83950.

It is an arithmetic number, because the mean of its divisors is an integer number (20528448).

Almost surely, 2^194522425 is an apocalyptic number.

It is an amenable number.

194522425 is a deficient number, since it is larger than the sum of its proper divisors (51818951).

194522425 is a wasteful number, since it uses less digits than its factorization.

194522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165608 (or 165603 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 194522425 is about 13947.1296330105. The cubic root of 194522425 is about 579.4152102223.

The spelling of 194522425 in words is "one hundred ninety-four million, five hundred twenty-two thousand, four hundred twenty-five".