204422329 has 2 divisors, whose sum is σ = 204422330. Its totient is φ = 204422328.

The previous prime is 204422327. The next prime is 204422357. The reversal of 204422329 is 923224402.

It is an a-pointer prime, because the next prime (204422357) can be obtained adding 204422329 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183738025 + 20684304 = 13555^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 204422329 - 2¹ = 204422327 is a prime.

Together with 204422327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 204422297 and 204422306.

It is not a weakly prime, because it can be changed into another prime (204422327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102211164 + 102211165.

It is an arithmetic number, because the mean of its divisors is an integer number (102211165).

Almost surely, 2^204422329 is an apocalyptic number.

It is an amenable number.

204422329 is a deficient number, since it is larger than the sum of its proper divisors (1).

204422329 is an equidigital number, since it uses as much as digits as its factorization.

204422329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 204422329 is about 14297.6336853341. The cubic root of 204422329 is about 589.0824856158.

The spelling of 204422329 in words is "two hundred four million, four hundred twenty-two thousand, three hundred twenty-nine".