194634229 has 2 divisors, whose sum is σ = 194634230. Its totient is φ = 194634228.

The previous prime is 194634221. The next prime is 194634269. The reversal of 194634229 is 922436491.

It is an a-pointer prime, because the next prime (194634269) can be obtained adding 194634229 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 90288004 = 10215^2 + 9502^2 .

It is a cyclic number.

It is not a de Polignac number, because 194634229 - 2³ = 194634221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194634191 and 194634200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194634221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97317114 + 97317115.

It is an arithmetic number, because the mean of its divisors is an integer number (97317115).

Almost surely, 2^194634229 is an apocalyptic number.

It is an amenable number.

194634229 is a deficient number, since it is larger than the sum of its proper divisors (1).

194634229 is an equidigital number, since it uses as much as digits as its factorization.

194634229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 194634229 is about 13951.1371937918. The cubic root of 194634229 is about 579.5261974790.

The spelling of 194634229 in words is "one hundred ninety-four million, six hundred thirty-four thousand, two hundred twenty-nine".