82288227 has 16 divisors (see below), whose sum is σ = 130844160. Its totient is φ = 44977152.

The previous prime is 82288223. The next prime is 82288237. The reversal of 82288227 is 72288228.

It is not a de Polignac number, because 82288227 - 2² = 82288223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82288223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84702 + ... + 85667.

It is an arithmetic number, because the mean of its divisors is an integer number (8177760).

Almost surely, 2^82288227 is an apocalyptic number.

82288227 is a deficient number, since it is larger than the sum of its proper divisors (48555933).

82288227 is a wasteful number, since it uses less digits than its factorization.

82288227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170402.

The product of its digits is 57344, while the sum is 39.

The square root of 82288227 is about 9071.2858515207. The cubic root of 82288227 is about 434.9565764555.

Subtracting from 82288227 its reverse (72288228), we obtain a palindrome (9999999).

The spelling of 82288227 in words is "eighty-two million, two hundred eighty-eight thousand, two hundred twenty-seven".