29239229 has 2 divisors, whose sum is σ = 29239230. Its totient is φ = 29239228.

The previous prime is 29239207. The next prime is 29239247. The reversal of 29239229 is 92293292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14784025 + 14455204 = 3845^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 29239229 - 2⁸ = 29238973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29239192 and 29239201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29235229) 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, 14619614 + 14619615.

It is an arithmetic number, because the mean of its divisors is an integer number (14619615).

Almost surely, 2^29239229 is an apocalyptic number.

It is an amenable number.

29239229 is a deficient number, since it is larger than the sum of its proper divisors (1).

29239229 is an equidigital number, since it uses as much as digits as its factorization.

29239229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 29239229 is about 5407.3310422056. The cubic root of 29239229 is about 308.0741830926.

The spelling of 29239229 in words is "twenty-nine million, two hundred thirty-nine thousand, two hundred twenty-nine".