194342233 has 4 divisors (see below), whose sum is σ = 194550580. Its totient is φ = 194133888.

The previous prime is 194342231. The next prime is 194342237. The reversal of 194342233 is 332243491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5774409 + 188567824 = 2403^2 + 13732^2 .

It is a cyclic number.

It is not a de Polignac number, because 194342233 - 2¹ = 194342231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194342195 and 194342204.

It is not an unprimeable number, because it can be changed into a prime (194342231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102768 + ... + 104641.

It is an arithmetic number, because the mean of its divisors is an integer number (48637645).

Almost surely, 2^194342233 is an apocalyptic number.

It is an amenable number.

194342233 is a deficient number, since it is larger than the sum of its proper divisors (208347).

194342233 is an equidigital number, since it uses as much as digits as its factorization.

194342233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208346.

The product of its digits is 15552, while the sum is 31.

The square root of 194342233 is about 13940.6683125308. The cubic root of 194342233 is about 579.2362450117.

The spelling of 194342233 in words is "one hundred ninety-four million, three hundred forty-two thousand, two hundred thirty-three".