47399229 has 8 divisors (see below), whose sum is σ = 70221120. Its totient is φ = 31599468.

The previous prime is 47399227. The next prime is 47399249. The reversal of 47399229 is 92299374.

47399229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47399229 - 2¹ = 47399227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47399227) 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, 877737 + ... + 877790.

It is an arithmetic number, because the mean of its divisors is an integer number (8777640).

Almost surely, 2^47399229 is an apocalyptic number.

It is an amenable number.

47399229 is a deficient number, since it is larger than the sum of its proper divisors (22821891).

47399229 is a wasteful number, since it uses less digits than its factorization.

47399229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755536 (or 1755530 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 47399229 is about 6884.7097978056. The cubic root of 47399229 is about 361.9015355451.

The spelling of 47399229 in words is "forty-seven million, three hundred ninety-nine thousand, two hundred twenty-nine".