47221227 has 12 divisors (see below), whose sum is σ = 68299504. Its totient is φ = 31438800.

The previous prime is 47221199. The next prime is 47221283. The reversal of 47221227 is 72212274.

47221227 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 47221227 - 2¹⁹ = 46696939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47221227.

It is not an unprimeable number, because it can be changed into a prime (47221127) 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 11 ways as a sum of consecutive naturals, for example, 4602 + ... + 10752.

Almost surely, 2^47221227 is an apocalyptic number.

47221227 is a deficient number, since it is larger than the sum of its proper divisors (21078277).

47221227 is a wasteful number, since it uses less digits than its factorization.

47221227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7007 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 47221227 is about 6871.7702959281. The cubic root of 47221227 is about 361.4479416321.

The spelling of 47221227 in words is "forty-seven million, two hundred twenty-one thousand, two hundred twenty-seven".