8242271 has 4 divisors (see below), whose sum is σ = 8443344. Its totient is φ = 8041200.

The previous prime is 8242261. The next prime is 8242277. The reversal of 8242271 is 1722428.

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 8242271 - 2⁶ = 8242207 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 8242271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100475 + ... + 100556.

It is an arithmetic number, because the mean of its divisors is an integer number (2110836).

Almost surely, 2^8242271 is an apocalyptic number.

8242271 is a deficient number, since it is larger than the sum of its proper divisors (201073).

8242271 is a wasteful number, since it uses less digits than its factorization.

8242271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201072.

The product of its digits is 1792, while the sum is 26.

The square root of 8242271 is about 2870.9355617986. The cubic root of 8242271 is about 201.9988808225.

Adding to 8242271 its reverse (1722428), we get a palindrome (9964699).

The spelling of 8242271 in words is "eight million, two hundred forty-two thousand, two hundred seventy-one".