194194427 has 8 divisors (see below), whose sum is σ = 222482400. Its totient is φ = 166042944.

The previous prime is 194194397. The next prime is 194194457. The reversal of 194194427 is 724491491.

It is an interprime number because it is at equal distance from previous prime (194194397) and next prime (194194457).

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 194194427 - 2¹⁸ = 193932283 is a prime.

It is a super-2 number, since 2×194194427² = 75422950955716658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194194457) 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, 31052 + ... + 36777.

It is an arithmetic number, because the mean of its divisors is an integer number (27810300).

Almost surely, 2^194194427 is an apocalyptic number.

194194427 is a deficient number, since it is larger than the sum of its proper divisors (28287973).

194194427 is an equidigital number, since it uses as much as digits as its factorization.

194194427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68245.

The product of its digits is 72576, while the sum is 41.

The square root of 194194427 is about 13935.3660518840. The cubic root of 194194427 is about 579.0893627054.

The spelling of 194194427 in words is "one hundred ninety-four million, one hundred ninety-four thousand, four hundred twenty-seven".