47223271 has 4 divisors (see below), whose sum is σ = 47279232. Its totient is φ = 47167312.

The previous prime is 47223259. The next prime is 47223367. The reversal of 47223271 is 17232274.

47223271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47223271 - 2¹³ = 47215079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47223221) 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, 26695 + ... + 28408.

It is an arithmetic number, because the mean of its divisors is an integer number (11819808).

Almost surely, 2^47223271 is an apocalyptic number.

47223271 is a deficient number, since it is larger than the sum of its proper divisors (55961).

47223271 is an equidigital number, since it uses as much as digits as its factorization.

47223271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55960.

The product of its digits is 4704, while the sum is 28.

The square root of 47223271 is about 6871.9190187312. The cubic root of 47223271 is about 361.4531567227.

The spelling of 47223271 in words is "forty-seven million, two hundred twenty-three thousand, two hundred seventy-one".