29948227 has 4 divisors (see below), whose sum is σ = 30105216. Its totient is φ = 29791240.

The previous prime is 29948209. The next prime is 29948287. The reversal of 29948227 is 72284992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29948227 - 2⁷ = 29948099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29948287) 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 3 ways as a sum of consecutive naturals, for example, 78208 + ... + 78589.

It is an arithmetic number, because the mean of its divisors is an integer number (7526304).

Almost surely, 2^29948227 is an apocalyptic number.

29948227 is a deficient number, since it is larger than the sum of its proper divisors (156989).

29948227 is a wasteful number, since it uses less digits than its factorization.

29948227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156988.

The product of its digits is 145152, while the sum is 43.

The square root of 29948227 is about 5472.4973275462. The cubic root of 29948227 is about 310.5444023963.

The spelling of 29948227 in words is "twenty-nine million, nine hundred forty-eight thousand, two hundred twenty-seven".