29422439 has 2 divisors, whose sum is σ = 29422440. Its totient is φ = 29422438.

The previous prime is 29422429. The next prime is 29422457. The reversal of 29422439 is 93422492.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29422439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29422399 and 29422408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29422429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14711219 + 14711220.

It is an arithmetic number, because the mean of its divisors is an integer number (14711220).

Almost surely, 2^29422439 is an apocalyptic number.

29422439 is a deficient number, since it is larger than the sum of its proper divisors (1).

29422439 is an equidigital number, since it uses as much as digits as its factorization.

29422439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 29422439 is about 5424.2454774835. The cubic root of 29422439 is about 308.7162975227.

The spelling of 29422439 in words is "twenty-nine million, four hundred twenty-two thousand, four hundred thirty-nine".