47155229 has 16 divisors (see below), whose sum is σ = 54686016. Its totient is φ = 40185600.

The previous prime is 47155201. The next prime is 47155231. The reversal of 47155229 is 92255174.

47155229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47155229 - 2²⁴ = 30378013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47155259) 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 15 ways as a sum of consecutive naturals, for example, 85934 + ... + 86480.

It is an arithmetic number, because the mean of its divisors is an integer number (3417876).

Almost surely, 2^47155229 is an apocalyptic number.

It is an amenable number.

47155229 is a deficient number, since it is larger than the sum of its proper divisors (7530787).

47155229 is a wasteful number, since it uses less digits than its factorization.

47155229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 25200, while the sum is 35.

The square root of 47155229 is about 6866.9665063986. The cubic root of 47155229 is about 361.2794724580.

The spelling of 47155229 in words is "forty-seven million, one hundred fifty-five thousand, two hundred twenty-nine".