71082227 has 4 divisors (see below), whose sum is σ = 71377416. Its totient is φ = 70787040.

The previous prime is 71082149. The next prime is 71082299. The reversal of 71082227 is 72228017.

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 71082227 - 2⁸ = 71081971 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 71082227.

It is not an unprimeable number, because it can be changed into a prime (71082127) 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, 147233 + ... + 147714.

It is an arithmetic number, because the mean of its divisors is an integer number (17844354).

Almost surely, 2^71082227 is an apocalyptic number.

71082227 is a deficient number, since it is larger than the sum of its proper divisors (295189).

71082227 is a wasteful number, since it uses less digits than its factorization.

71082227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295188.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 71082227 is about 8431.0276360596. The cubic root of 71082227 is about 414.2415663335.

The spelling of 71082227 in words is "seventy-one million, eighty-two thousand, two hundred twenty-seven".