29422429 has 2 divisors, whose sum is σ = 29422430. Its totient is φ = 29422428.

The previous prime is 29422399. The next prime is 29422439. The reversal of 29422429 is 92422492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17623204 + 11799225 = 4198^2 + 3435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29422429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29422394 and 29422403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29422439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14711214 + 14711215.

It is an arithmetic number, because the mean of its divisors is an integer number (14711215).

It is a self-describing number.

Almost surely, 2^29422429 is an apocalyptic number.

It is an amenable number.

29422429 is a deficient number, since it is larger than the sum of its proper divisors (1).

29422429 is an equidigital number, since it uses as much as digits as its factorization.

29422429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 29422429 is about 5424.2445556962. The cubic root of 29422429 is about 308.7162625475.

The spelling of 29422429 in words is "twenty-nine million, four hundred twenty-two thousand, four hundred twenty-nine".