47268221 has 16 divisors (see below), whose sum is σ = 63466368. Its totient is φ = 33998400.

The previous prime is 47268191. The next prime is 47268233. The reversal of 47268221 is 12286274.

47268221 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 47268221 - 2¹⁴ = 47251837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47268241) 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, 22610 + ... + 24611.

It is an arithmetic number, because the mean of its divisors is an integer number (3966648).

Almost surely, 2^47268221 is an apocalyptic number.

It is an amenable number.

47268221 is a deficient number, since it is larger than the sum of its proper divisors (16198147).

47268221 is a wasteful number, since it uses less digits than its factorization.

47268221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47252.

The product of its digits is 10752, while the sum is 32.

The square root of 47268221 is about 6875.1887974077. The cubic root of 47268221 is about 361.5678047675.

The spelling of 47268221 in words is "forty-seven million, two hundred sixty-eight thousand, two hundred twenty-one".