82288229 has 8 divisors (see below), whose sum is σ = 85274112. Its totient is φ = 79323120.

The previous prime is 82288223. The next prime is 82288237. The reversal of 82288229 is 92288228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82288229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (10659264).

Almost surely, 2^82288229 is an apocalyptic number.

It is an amenable number.

82288229 is a deficient number, since it is larger than the sum of its proper divisors (2985883).

82288229 is a wasteful number, since it uses less digits than its factorization.

82288229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387.

The product of its digits is 73728, while the sum is 41.

The square root of 82288229 is about 9071.2859617587. The cubic root of 82288229 is about 434.9565799793.

Subtracting 82288229 from its reverse (92288228), we obtain a palindrome (9999999).

The spelling of 82288229 in words is "eighty-two million, two hundred eighty-eight thousand, two hundred twenty-nine".