192194213 has 8 divisors (see below), whose sum is σ = 194386296. Its totient is φ = 190008000.

The previous prime is 192194209. The next prime is 192194227. The reversal of 192194213 is 312491291.

It can be written as a sum of positive squares in 4 ways, for example, as 68939809 + 123254404 = 8303^2 + 11102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 192194213 - 2² = 192194209 is a prime.

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 192194213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192194263) 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, 109523 + ... + 111263.

It is an arithmetic number, because the mean of its divisors is an integer number (24298287).

Almost surely, 2^192194213 is an apocalyptic number.

It is an amenable number.

192194213 is a deficient number, since it is larger than the sum of its proper divisors (2192083).

192194213 is a wasteful number, since it uses less digits than its factorization.

192194213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935.

The product of its digits is 3888, while the sum is 32.

The square root of 192194213 is about 13863.4127472279. The cubic root of 192194213 is about 577.0942789735.

It can be divided in two parts, 19219 and 4213, that added together give a palindrome (23432).

The spelling of 192194213 in words is "one hundred ninety-two million, one hundred ninety-four thousand, two hundred thirteen".