47220271 has 12 divisors (see below), whose sum is σ = 58161888. Its totient is φ = 38092992.

The previous prime is 47220253. The next prime is 47220287. The reversal of 47220271 is 17202274.

It is a de Polignac number, because none of the positive numbers 2^k-47220271 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 (47220211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27511 + ... + 29176.

It is an arithmetic number, because the mean of its divisors is an integer number (4846824).

Almost surely, 2^47220271 is an apocalyptic number.

47220271 is a deficient number, since it is larger than the sum of its proper divisors (10941617).

47220271 is a wasteful number, since it uses less digits than its factorization.

47220271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56718 (or 56711 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 47220271 is about 6871.7007356258. The cubic root of 47220271 is about 361.4455024285.

The spelling of 47220271 in words is "forty-seven million, two hundred twenty thousand, two hundred seventy-one".