29922405 has 8 divisors (see below), whose sum is σ = 47875872. Its totient is φ = 15958608.

The previous prime is 29922383. The next prime is 29922437. The reversal of 29922405 is 50422992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29922405 - 2⁶ = 29922341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997399 + ... + 997428.

It is an arithmetic number, because the mean of its divisors is an integer number (5984484).

Almost surely, 2^29922405 is an apocalyptic number.

It is an amenable number.

29922405 is a deficient number, since it is larger than the sum of its proper divisors (17953467).

29922405 is a wasteful number, since it uses less digits than its factorization.

29922405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994835.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 29922405 is about 5470.1375668259. The cubic root of 29922405 is about 310.4551240634.

The spelling of 29922405 in words is "twenty-nine million, nine hundred twenty-two thousand, four hundred five".