29922423 has 8 divisors (see below), whose sum is σ = 40345200. Its totient is φ = 19723968.

The previous prime is 29922383. The next prime is 29922437. The reversal of 29922423 is 32422992.

It is a happy number.

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

It is not a de Polignac number, because 29922423 - 2⁹ = 29921911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29922493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55768 + ... + 56301.

It is an arithmetic number, because the mean of its divisors is an integer number (5043150).

Almost surely, 2^29922423 is an apocalyptic number.

29922423 is a deficient number, since it is larger than the sum of its proper divisors (10422777).

29922423 is a wasteful number, since it uses less digits than its factorization.

29922423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112161.

The product of its digits is 15552, while the sum is 33.

The square root of 29922423 is about 5470.1392121225. The cubic root of 29922423 is about 310.4551863154.

It can be divided in two parts, 299 and 22423, that added together give a palindrome (22722).

The spelling of 29922423 in words is "twenty-nine million, nine hundred twenty-two thousand, four hundred twenty-three".