194432212 has 24 divisors (see below), whose sum is σ = 366813216. Its totient is φ = 89644128.

The previous prime is 194432177. The next prime is 194432219. The reversal of 194432212 is 212234491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194432219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85563 + ... + 87805.

It is an arithmetic number, because the mean of its divisors is an integer number (15283884).

Almost surely, 2^194432212 is an apocalyptic number.

It is an amenable number.

194432212 is a deficient number, since it is larger than the sum of its proper divisors (172381004).

194432212 is a wasteful number, since it uses less digits than its factorization.

194432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3925 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 194432212 is about 13943.8951516425. The cubic root of 194432212 is about 579.3256252350.

The spelling of 194432212 in words is "one hundred ninety-four million, four hundred thirty-two thousand, two hundred twelve".